10th Class Physics MCQS Chapter 5

Google Ads1

10th Class Physics MCQS


LDR can act as:
Diode
Switch
Rectifier
Transistor

What happens to the intensity of the brightness of the lamps connected in series as more and more lamps are added?
Increases
Decreases
Remains the same
Can not be predicted

Which we double the voltage in a simple electric circuit. We double the
Power
Resistance
both a and b
Current

What should household appliances be connected in parallel with the voltage source?
to provide each appliance the same voltage as the power source
to provide each appliance the same current as the power source
to decrease the resistance of the circuit
to increase the resistance of the circuit

What is the power rating of a lamp connected to a 12 v source when it carries 2.5 A?
30 W
4.8 W
14.5 W
60 W

Which instrument is used to detect current?
Electroscope
Voltmeter
Ammeter
Galvanometer

That period in which voltage repeats its value in equal intervals is called:
Amplitude
cycle
Frequency
Time period

Current is equal to:
Q/t
CV
IR
IR2

Which instrument measures the potential difference:
Barometer
Voltmeter
Galvanometer
Ammeter

Image formed on a camera is:
Real, inverted and magnified
Virtual, upright and magnified
Real, inverted, and diminished
Virtual, upright and diminished

10th Class Physics MCQS

Google Ads