10. A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electric charge that flows through the circuit.
Q: 5. A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…
A: Given values: Length of the copper wire, l=2.50 m Diameter, d=2.5 mm Voltage, V=3.0 V Resistivity of…
Q: A charge of 20 C flows out from a battery in 8 s. How much current passes through the lamp
A: We have to find the current passed through the lamp Current is defined as the rate of flow of charge…
Q: A flashlight is powered by 3-V battery and uses a bulb with a resistance of 60 Ω. What will be the…
A: Given that, Voltage = 3 V Resistance = 60 Ω
Q: 2. A power transmission line is made of copper 1.80cm in diameter. Find the resistance of one mile…
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Q: A piece of wire of length 48.9 cm made from a material of resistivity 1.6 ohm-metre was used to…
A:
Q: An electric bulb draws a current of 0.25 A for electric charge that flows through the circuit.
A: GivenCurrent, I=0.25 ATime, t=20 min
Q: A current of 8.012 A flows through a conductor for 10.023 s. What amount of charge passes through…
A:
Q: 3. The charge passing through a wire is q = (80t + 20) C. What is the current?
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Q: If 600 C of charge passes a given point in 3 s, what is the electric current in amperes?
A: The relation between the electric current and the electric charge is given by, Here, Q and t…
Q: (3) A 240 volt electric water heater "pulls" a current of 15.8 A. Determine the power used by, and…
A: Given:- The voltage of the electric water heater V = 240 Volt The current I = 15.8 A Find:- The…
Q: 15) How much current is drawn by a 75-Watt light bulb connected to a 120V outlet?
A: Given info Power of light bulb is P = 75 Watt Outlet voltage V = 120 V We have to determine current…
Q: During 53 seconds of use, 200 C of charge flow through a microwave oven. Compute the size of the…
A: The expression for the electric current flows throw microwave oven is, I=Qt
Q: The current in a wire is 0.490 A. How much charge flows through a cross section of the wire in 11.7…
A: Current is defined as the rate of flow of charge through a cross-section.
Q: 6. The current I in amperes is inversely proportional to the resistance R in ohms. If the current is…
A: Given: The initial current is 30 A. The initial resistance is 3 Ohm. The final resistance is 5 Ohm.
Q: 23) For the graph shown in the figure, what physical quantity does the slope of the graph represent…
A: Ohms law is used to calculate the unknown resistance or current flowing through a resistor.
Q: 5. The circuit contains a battery that has an emf of 11V and internal resistance of 0.5 n. The load…
A: Internal resistance is r = 0.5 Ω Load resistance R = 5 Ω Emf, E = 11 V
Q: 2. A battery of emf 10V and internal resistance 30 is connected to a resistor. If the current in the…
A: Given value--- emf = 10 V. internal resistance = 3 ohm. current =0.5 Amp. We have to find---…
Q: What resistor value in ohms should be attached to the battery t
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Q: What is the current in a 15.0-W light bulb when connected to a 131-V emf?
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Q: How many 13-watt W light bulbs can be simultaneously operated on a 120-volt [V] household circuit…
A: Given Voltage is V=12 V Current is I=15 A Power of light bulb is Plight bulb =13 W Find the number…
Q: charge has passed
A:
Q: 3.A circuit is made of 0.4 2 wire,a 1500 bulb and a 1200 rheostat connected inseries.Determine the…
A: Given data: R1 = 0.4 Ω R2 = 150 Ω and R3 = 120 Ω All three are connected in series Required: The…
Q: A young electrician accidentally touches a wire such that the voltage across them is 558.0 V. Their…
A: Given voltage = 558.0 V resistance = 20215.0 Ω We have to calculate the current flowing through…
Q: A steady current of 450 mA flows through a wire. How much charge passes through the wire in one…
A:
Q: A wire passes 96 C of charge every 0.82 s. How many amperes of current is passing through the wire…
A: current flowing through any conductor is defined as the rate of charge flow or charge flowing…
Q: An electric train operates on 935 V. What is its power consumption when the current flowing through…
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Q: During 49 seconds of use, 270 C of charge flow through a microwave oven. Compute the size of the…
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Q: A Palduma water heater heats 1 liter (1000 cm?) of water from 19°C to 99°C in 10 minutes when 110 V…
A:
Q: A 240 V clothes dryer draws a current of 15 A. How much energy, in KWH and in joules, does it use in…
A: Write the expression for power of the dryer .
Q: What is the resulting current (in A), if 0.6 C of electrical charge is transferred in 64.2 ms?…
A: Given Charge q = 0.6 C Time taken t = 64.2 ms = 64.2 × 10-3 s
Q: An electric hot plate has a power output of 2.71 kW when connected to a 93.53 V source. What is the…
A:
Q: In what time would a current of 10 A transfer a charge of 50°C?
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Q: 11. The voltage v = 10cos2t V across a device and the current through it is 20(1 – e-0.5t )mA. Find…
A:
Q: 15. A computer is hooked to a 100 V power supply using two connecting wires (same circuit shape as…
A: Voltage of the supply (V) = 100 volts Resistance of each wire (R) = 22 ohm Power used by each wire…
Q: A walkman uses a standard 1.5 V battery. How much resistance is in the circuit if it uses a current…
A: By ohms law R = V/i
Q: 3. A9-volt battery supplies power to a cordless curling iron with a resistance of 18 ohms. How much…
A: THIS PROBLEM CAN BE SOLVED BY OHMS LAW , WHICH MATHEMATICALLY CAN BE EXPRESSED AS V = i R where i…
Q: An electric hot plate has a power output of 2.9 kW when connected to a 97.96 V source. What is the…
A: Given, Power (P)= 2900 W Voltage(V) = 97.96 V
Q: 1.4 Find the voltage drop across a light bulb if 0.05A current flowing through it for 4 seconds…
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Q: A circuit in a small appliance operates on a current of 1.5 mA. How many electrons enter and leave…
A: Given, Current I = 1.5 mA = 1.5 x 10-3 A Time t = 5 s We know the expression for current is…
Q: What current flows through a bulb if 360 C of charge moves through a bulb in 20 minutes?
A:
Q: An electric heater carries a current of 13.5 A when operating at a voltage of 120 V. What is the…
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Q: 3. A current of 200 mA flows for 2 minutes. How much charge has passed?
A:
Q: An electric heater of Power 147 W has a resistance 352. Find the magnitude of current. of
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Q: .3. A refrigerator uses 1200 W of power. If it has a total resistance of 352, what is the current…
A: Given: The power is 1200 W. The total resistance of the circuit is 35 Ω.
Q: 5 mA 7 mA 15 mA R1 2 mA 6 mA Find the current with the following conditions find current 12.
A:
Q: The current in an electron beam in a cathode-ray tube is measured to be 50.0 µA. How many electrons…
A: The rate of change of charge is known as current such that,i=QtBut Q=newhere, n is the number of…
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- 5. How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4 m by 3 m? The electrons of this conductor have a drift velocity of 4 m/s when a 9.6 A of current is applied thru a cross-sectional area of 0.005 m?. Use electronic charge of 1.6 x 10-19 coulomb per electron. Express your answer in scientific notation whose unit is electrons per cubic meter.1. A charge of 3,600 C passes through an electric lamp in 3.0 min. What is the current in the lamp? 2. What current flows through an electric iron having a resistance of 13 ohms when connected across a line having 120 V? 3. A 12.5 V Battery operates s 14.2 ohms flashlight intermittently for a cumulative time of 65.3 min. (a) What is the average current? (b) What quantity of electricity is furnished by the battery?1. Between t = 1 ms and t = 12 ms, 19µC of charge pass through a wire. What is the current?
- 12. What is the current in a wire if 5.00 C of charge passes through the wire in 0.500 s? (a) 1.00 A (b) 2.50 A (c) 5.00 A (d) 10.0 A6. a) A 240 V lamp draws a current of 0.50 A from the mains supply. What is the resistance of the lamp? b) What current flows through a 12 V lamp when its filament has a resistance of 100 ohm? Give your answer in amps and milliamps.QUESTION 17 A simple circuit contains a 12 V battery and a light bulb with a resistance of 40 Q. What is the current flowing through the circuit? Your answer should be in units of Amperes (A) but you should only submit the number for your answer. QUESTION 18 An empty rollercoaster car has a mass of 3,000 kg and is released from rest at the top of a 40 m tall hill. Ignoring friction, how fast will the car be moving at the bottom of the hill? Your answer should be in units of m/s but you should only sSubmit the number for your answer.
- 3. Three resistors, 10, 20, and 30 Q, are connected in parallel. What is the equivalent resistance? a. The equivalent resistance is 5.45 n b. The equivalent resistance is 600 c. The equivalent resistance is 6 × 10° Q d. The equivalent resistance is 6 × 10ʻ Q5. Compute the resistance of a hardened copper rod 2 meters long and 8 mm in diameter if the resistivity of the material is 1.756 x 10-8 ohm-meters. 6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made? 7. The resistance of a uniform copper wire 50.0 meters long and 1.15 mm in diameter is 0.830 ohms at 20° C. What is the resistivity of the copper at this temperature? 8. A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What is the length of the carbon wire?1. A 5.0 C charge flows through a wire in 3 s. Calculate the current. 2. A nichrome wire of length 1.5 m is used as conductor. The cross-sectional area of the wire is 0.75 m2. Calculate for the resistance of the nichrome wire. (Resistivity of nichrome is 1.00 x 106 2)
- 8. Given the table, solve for the following: a. Find the resistance of a 10 m long copper wire coil with a diameter of 5 cm forming a cylinder. Resistivity of Materiais at 20°c Copper 168 x10+ b. Find the width of a 10 m long aluminum sheet with a Aluminum 2.65 x10 resistance of 0.1 0. Mercury 98 x10 C. Find the length of a mercury wire coil which has a resistance of 5Q and a diameter of 10 cm forming a cylinder.FIRST PART Determine the current generated in a circuit if 18.0 C of charge flow per minute. SECOND PART : What amount of charge is stored in a D-cell alkaline battery if it provides a current of 450 mA for 45.6 h? THIRD PART: The capacity of a 9-V rechargeable battery is 625 mA h. What is the battery’s charge capacity in coulombs? FOURTH PART The potential difference across an electric motor is 150.0 V. The potential energy of 600.0 J is converted into kinetic energy. Determine the amount of charge that flowed through the motor.The current in a circuit is 0.5 A. How much charge passes in 2 min. ? C = 6.24 x 10¹8 q = lt