Current electricity MCQs, current electricity quiz answers 21 to learn high school physics courses online. Direct and alternating current multiple choice questions (MCQs), current electricity quiz questions and answers for online school degrees. Kilowatt hour, direct current and alternating current, current and electricity, potential difference test for high school teacher certification.

Learn high school physics multiple choice questions (MCQs): potential difference between live wire and neutral wire is, with choices 320 v, 180 v, 250 v, and 220 v for online school degrees. Free physics study guide for online learning direct and alternating current quiz questions to attempt multiple choice questions based test.

MCQ: A 50 W television and 3 kW oven are connected to a 300 V supply. current flows in each of appliance is respectively

1. 0.16 A, 50 A
2. 0.4 A, 20 A
3. 14 A, 29 A
4. 2.3 A, 25 A

A

MCQ: Potential difference between live wire and neutral wire is

1. 180 V
2. 320 V
3. 250 V
4. 220 V

D

MCQ: If a charge of one coulomb passing through a cross-sectional area in one second, current is

1. two amperes
2. half ampere
3. one ampere
4. three ampere

C

MCQ: When a bulb is lit, energy is taken from current and is transformed into

1. heat energy
2. light energy
3. both heat and light energy
4. mechanical energy

C

MCQ: Wire which carries no electricity is called

1. Earth/ground wire
2. livewire
3. neutral wire
4. delta wire

A