An uncharged capacitor and a resistor are connected in series to a battery. If 8-12.0VC-5.00 pF, and 8-8.00 x 10' find the current (in pA) in the resistor at 6.0 s
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- Two resistors, R = 3.09 S and R2 = 5.27 2, are connected R1 in series to a battery with an EMF of 24.0 V and negligible internal resistance. Find the current I through R and the potential difference V across R2. I = A. R2 V2 = VA battery has an emf of ε = 19 V, an internal resistance r = 28 22, and is connected to a resistor of R = 75 22. Express the current I through the circuit in terms of ε, r and R. Calculate the numerical value of I in A. Express the terminal voltage 4V of the battery in terms of I and R. Calculate the numerical value of 4V in V.A 597×10−6 F597×10−6 F capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 86.9 V86.9 V to 26.1 V26.1 V in 4.11 s4.11 s. Find the resistance ?R of the resistor.
- An uncharged capacitor with C = 39 μF and a resistor with R = 75 Ω are connected in series with a battery of ε = 7.5 V. a) Calculate the numerical value of τ in μs. b) Calculate the numerical value of Q in μC.A battery has an emf ɛ and an internal resistance r. It is connected to an external resistor R. When R = 4.5 N the terminal potential difference is 13.01V. When R = 8.5 N the terminal potential difference is 13.71V. Find e and r. V = 3 r =24.0 V 4.00 A R 4.00 A Figure N 8. Consider the circuit shown in Figure b. The terminal voltage of the 24.0 V battery is 21.2 V. What is a) the internal resistance r of the battery; b) the resistance R of the circuit resistor???
- The emf source, E. of the circuit shown in the figure has negligible internal resistance. The resistors have resistances R= 6.62 and R,=4.92. The capacitor has a capacitance C 13.4 uF When the capacitor is fully charged, the magnitude of the charge on its plates is Q 17.1 uC. What is E in units of Volts? R2 O 4.4 O 2.2 R1 O 3.1 O 0.22 O 1.1A 537×10−6 F capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 86.5 V to 21.9V in 4.65 s. Find the resistance ?R of the resistor.An initially uncharged 4.71 x 10- F capacitor and a 8990 2 resistor are connected in series to a 1.50 V battery that has negligible internal resistance. What is the initial current Io in the circuit? Io = Calculate the circuit's time constant r.
- Calculate the equivalent resistance across a and b and the current and voltage across the 92 resistor. a 6.00 N 2.40 N 15.0 V 6.00 Q 6.00 N Ans. Req = 15 ohms d V90-1.8 V I90=2 A 6.00 Q 9.00 NTwo batteries A and B are joined in parallel. Connected across the batteryterminals is a circuit consisting of a battery C in series with a 70Ω resistor,the negative terminal of C being connected to the positive terminals of Aand B. Battery A has an e.m.f. of 150 V and an internal resistance of 8.5Ω, and the corresponding values for battery B are 120 V and 5.6Ω. BatteryC has an e.m.f. of 30 V and a negligible internal resistance. Determine (a)the value and direction of the current in each battery and (b) the terminalvoltage of battery A.Three resistors, R1 = 17.3, R2 = 13.2, R3 = 78.0, are connected in series across a 16.6 V battery. What is the voltage drop (in Volts) across R1?