Current electricity MCQs, current electricity quiz answers 32 to learn high school online courses. Kilowatt hour multiple choice questions (MCQs), current electricity quiz questions and answers for for online school degrees. Direct current and alternating current, electrical energy and joules law, electric power, conductors test prep, e-learning tutorial for high school teacher certification.

Study high school physics multiple choice questions (MCQs): a 60 w light bulb converts electrical energy into light and heat energy in each second of, with choices 60 j, 30 j, 120 j, and 20 j for online school degrees. Free physics study guide for online learning kilowatt hour quiz questions to attempt multiple choice questions based test.

MCQ: Electric power enters our houses through

1. 2 wires
2. 1 wire
3. 4 wires
4. 3 wires

D

MCQ: A 60 W light bulb converts electrical energy into light and heat energy in each second of

1. 30 J
2. 60 J
3. 120 J
4. 20 J

B

MCQ: If we double both current and voltage keeping resistance constant then power is

1. unchanged
2. halves
3. doubles

D

MCQ: Current which does not change its direction of flow is called

1. negative current
2. direct current
3. alternative current
4. fixed current

B

MCQ: On applying external magnetic field, free electrons move

1. randomly
2. in a specific direction
3. does not move
4. against magnetic field

B