MCQ Practice – Class 6 to 10

Q1. Conductors have:

A. Zero resistivity B. High resistivity C. Negative resistivity D. Low resistivity

Q2. Electric energy consumption is measured in:

A. J/s B. W C. kWh D. kW

Q3. The SI unit of potential difference is:

A. Volt B. Watt C. Ohm D. Ampere

Q4. The current through a resistor depends on:

A. Both A and B B. Resistance C. None D. Voltage

Q5. Device used to vary resistance in a circuit:

A. Fuse B. Ammeter C. Voltmeter D. Rheostat

Q6. Heating effect increases when:

A. Current increases B. No current flows C. Current decreases D. Resistance decreases

Q7. 1 coulomb equals:

A. 1 A·s B. 1 J/s C. 1 W·s D. 1 V·s

Q8. Which is an insulator?

A. Iron B. Copper C. Rubber D. Aluminium

Q9. The SI unit of resistance is:

A. Volt B. Joule C. Ohm D. Ampere

Q10. The heating effect of electric current is given by:

A. H = VIt B. H = P/t C. H = IR D. H = I^2Rt

Quiz – Electricity