# Electric Current, Potential Difference and Resistance Multiple Choice Questions 1 PDF Download

Practice electric current, potential difference and resistance multiple choice questions (MCQs), A level physics test 1 online for exams. Practice electrical current MCQs questions and answers on electrical current, circuit symbols, current equation, meaning of voltage, electric power with answers. Free electric current, potential difference and resistance quiz, online study guide has helping answer key with choices as 1020 m-3, 1024 m-3, 1012 m-3 and 1023 m-3 of multiple choice questions as semiconductors have electron number density of order to test learning skills for viva exam preparation and job's interview questions. Study to learn electrical current quiz questions to learn online MCQs for competitive exam preparation test.

## MCQ on Electric Current, Potential Difference and Resistance Quiz PDF Download Test 1

MCQ. Semiconductors have electron number density of order

1. 1024 m-3
2. 1020 m-3
3. 1012 m-3
4. 1023 m-3

D

MCQ. A straight line symbol shows the

1. fuse
2. diode
4. switch

C

MCQ. Rate of flow of electric charge is

1. electric current
2. conventional current only
3. electronic current only
4. potential difference

A

MCQ. Instrument which transfers energy to electric charges in a circuit is

1. battery
2. voltmeter
3. ammeter
4. galvanometer

A

MCQ. Electric power is related to

1. current in component
2. potential difference
3. electrical resistance
4. both A and B

D