Learn current electricity MCQs, grade 10 physics test 20 for online learning courses and test prep, direct current and alternating current multiple choice questions and answers. Direct current and alternating current revision test includes physics worksheets to learn for online physics 2 courses distance learning.

Physics multiple choice questions (MCQ): positive and negative terminals of direct current have with choices fixed polarity, no polarity, variable polarity and always negative polarity, direct current and alternating current quiz for teachers on net with online teaching resources for physics teachers with physics practice. Free physics study guide to learn direct current and alternating current quiz to attempt multiple choice questions based test.

MCQ: Positive and negative terminals of direct current have

1. no polarity
2. fixed polarity
3. variable polarity
4. always negative polarity

B

MCQ: Potential difference across a circuit component can be measured by a

1. vernier calipers
2. galvanometer
3. ammeter
4. voltmeter

D

MCQ: SI unit for electromotive force is

1. J-1
2. C-1
3. JC-1
4. km-1

C

MCQ: Rate of energy transferred if a current of 0.5 A passes through a bulb connected across a battery of 6 V for 20 s is

1. 80 J
2. 20 J
3. 30 J
4. 60 J

D

MCQ: By applying a potential difference of 7 V across a conductor, a current of 2 A passes through it. energy obtained in 2.5 minutes is

1. 2000 J
2. 2500 J
3. 2100 J
4. 1800 J

C