Current electricity Multiple Choice Questions and Answers (MCQs), current electricity quiz answers pdf, test prep 1 to study high school physics for online degree courses. Practice "ohm's law" MCQs, current electricity quiz questions and answers for online study. Learn ohm's law, resistors and resistance, resistivity and important factors, hazards of electricity test prep for online teaching certification programs.

"Substances that have constant resistance over a wide range of voltages are" Multiple Choice Questions (MCQs) on current electricity with choices non ohmic, ohmic, resistive, and non resistive for online study. Free physics study guide for online learning ohm's law quiz questions for distance learning classes.

MCQ: Substances that have constant resistance over a wide range of voltages are

1. ohmic
2. non ohmic
3. resistive
4. non resistive

A

MCQ: A resistor having resistance 6.2Ω is connected across a battery of 5 V using a wire of negotiable resistance. Current passes through the resistor are 0.4 A. The total power produced by the battery is

1. 2 W
2. 3 W
3. 5 W
4. 6 W

A

MCQ: As compare to short wires, long wires have

1. more resistance
2. no resistance
3. less resistance
4. same resistance

A

MCQ: The device that disconnects the supply automatically if current exceeds the normal value is known as

1. circuit breaker
2. fuse
3. cable
4. capacitor

A

MCQ: As per Ohm's law, V (potential difference) is equal to

1. I(current)×R(resistance of the conductors)
2. I(current)/R(resistance of the conductors)
3. R(resistance of the conductors)/I(current)
4. I(current) + R(resistance of the conductors)

A