Resistance and Resistivity Multiple Choice Questions (MCQ), resistance and resistivity quiz answers PDF to study online physics course. Learn current electricity Multiple Choice Questions and Answers (MCQs), "Resistance and Resistivity" quiz questions and answers for online degree programs. Learn emf and potential difference, power dissipation, current electricity, current source test prep for colleges offering online degree programs.

"Specific resistance of a wire can be measured by the formula" Multiple Choice Questions (MCQ) on resistance and resistivity with choices r/l, ra/l, rl/a, and a/rl for online degree programs. Practice merit scholarships assessment test, online learning resistance and resistivity quiz questions for competitive exams in physics majors for 2 year online degrees. Resistance and Resistivity Video

MCQ: Specific resistance of a wire can be measured by the formula

1. R/L
2. RA/L
3. RL/A
4. A/RL

B

MCQ: Fractional change in resistance per kelvin is known as

1. temperature constant
2. resistance coefficient
3. temperature coefficient
4. resistance constant

C

MCQ: SI unit of the conductivity of the material is

1. Ω m
2. Ω
3. Ω-1m
4. Ω-1m-1

D

MCQ: Wire having resistance of 10 Ω at 0 °C and 20 Ω at 273 °C will have the temperature coefficient of

1. 4.66 × 10-3 per K
2. 3.66 × 10-3 per K
3. 3 × 10-3 per K
4. 6.6 × 10-3 per K

B

MCQ: Current of 0.75 A, when a battery of 1.5 V is connected to the wire of 5 m having cross sectional area 2.5 × 10-7 m², will have resistivity

1. 1 × 10-7
2. 1.1 × 10-7
3. 2 × 10-7
4. 2.1 × 10-7

A