Emf and potential difference multiple choice questions (MCQs), emf and potential difference quiz answers to learn physics online courses. Current electricity MCQs, emf and potential difference quiz questions and answers for best physics graduate programs. Learn wheatstone bridge, kirchoffs law, current electricity, ohms law, resistance and resistivity, emf and potential difference test prep for physics certifications.

Learn current electricity test MCQs: emf is an abbreviation of with choices electromotive force, electrical motive force, electronic motive force, and both a and b for best physics graduate programs. Practice merit scholarships assessment test, online learning emf and potential difference quiz questions for competitive assessment in physics major. EMF and Potential Difference Video

MCQ: EMF is an abbreviation of

1. electromotive force
2. electrical motive force
3. electronic motive force
4. both a and b

A

MCQ: Electromotive force of a battery can be defined with formula of

1. E = IR
2. E = IR + I
3. E = IR + r
4. E = IR + Ir

D

MCQ: Formula E²/4R is formula representing

1. power
2. output power
3. max output power
4. resistance

C

MCQ: Potential difference of a battery is 2.2 V when it is connected across a resistance of 5 Ω, if suddenly potential difference falls to 1.8 V, its internal resistance will be

1. 1 Ω
2. 1.1 Ω
3. 2 Ω
4. 2.1 Ω

B