MCQ Quiz
Class 10 Science Quiz
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1. What is the SI unit of electric current?
Volt
Ohm
Ampere
Watt
2. The potential difference is measured using a:
Ammeter
Voltmeter
Galvanometer
Potentiometer
3. Ohm’s law states that:
V = IR
I = VR
R = VI
P = VI
4. The resistance of a wire depends on:
Only on length
Only on material
Length, area, and material
The voltage applied
5. A voltmeter is always connected:
In series with resistor
In parallel with resistor
Across the battery only
In place of the resistor
6. Which quantity is represented by the slope in a V-I graph?
Resistance
Current
Potential difference
Resistivity
7. What happens to the resistance if the length of wire is doubled?
It becomes half
It remains the same
It becomes double
It becomes four times
8. The SI unit of resistivity is:
Ohm
Ohm-metre
Volt per metre
Ohm per square metre
9. A good conductor has:
High resistivity
Low resistance and high resistivity
Low resistivity
Infinite resistance
10. Which metal has the lowest resistivity?
Silver
Copper
Aluminium
Tungsten
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