hed 9-16-2019.ltd tal (F) Min. reading Name: PHYSICS 1112 - Warm-Up due September 16th Chapter 20 Reading Objectives: take away. You may want to work examples 20.1 and 20.2. Current is "conserved" meaning that at any junction of wires, the amount of "flow" going in must be the same as the amount of "flow" going out. Later on, we will call this Kirchhoff junction law In section 20.2 you will find the definition of resistance and its units. Also Ohm's law. Ohm's law is one of the main principles in electronics. You will use equation 20.14 many times in the following weeks. Go to section 20.1 and read the definition of current. Pay attention to the units. Equation 20.1 is a main 1. An electric eel flexes its muscles to create a voltage that stuns its prey. During the discharge, the eel can transfer a charge of 2.0 mC in a time of 2.0 ms. What current, in A, does this correspond to? Warm-up 2. The wires below carry currents as noted. What are I1 and I2? I2 2 A I1 3 A 4A
hed 9-16-2019.ltd tal (F) Min. reading Name: PHYSICS 1112 - Warm-Up due September 16th Chapter 20 Reading Objectives: take away. You may want to work examples 20.1 and 20.2. Current is "conserved" meaning that at any junction of wires, the amount of "flow" going in must be the same as the amount of "flow" going out. Later on, we will call this Kirchhoff junction law In section 20.2 you will find the definition of resistance and its units. Also Ohm's law. Ohm's law is one of the main principles in electronics. You will use equation 20.14 many times in the following weeks. Go to section 20.1 and read the definition of current. Pay attention to the units. Equation 20.1 is a main 1. An electric eel flexes its muscles to create a voltage that stuns its prey. During the discharge, the eel can transfer a charge of 2.0 mC in a time of 2.0 ms. What current, in A, does this correspond to? Warm-up 2. The wires below carry currents as noted. What are I1 and I2? I2 2 A I1 3 A 4A
Chapter7: Electricity
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