Question #218491
1. Define the following:
i. Electric current
Ii. Voltage
iii. Power

2. Derive an expression relating them, state the instrument for the measurement of each
1
Expert's answer
2021-07-25T09:53:21-0400

1)n

i) Electric current: is the measure of the flow of electrons from one point to another in an electric circuit.

ii) Voltage: is the pressure that pushes electrons around a circuit.

iii) Power: is the rate at which work is done in an electrical circuit.

2)

Power(W)=Voltage(V)×Current(A)Power(W)=Voltage(V)\times{Current(A)}

Voltage is measured with a voltmeter.

Current is measured with an Ammeter

Power is measured with a Wattmeter.



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