10th Class Physics MCQS
The logical operation performed by this gate is:
AND
OR
NOR
NAND
Those quantities whose values do not remain constant are called:
Digital quantites
physical quantities
Log quantities
Analog quantities
Digital technology is used in:
All of these
Bulb
Electric motor
Radar
What does a switch do:
Store energy
Oppose the current
Provide voltage
Open and close the circuit
Those quantities whose values change gradually or stay constant are called:
Digital quantities
Physical quantities
Analog quantities
Log quantities
Electroscope is used for detecting:
Voltage
Current
Resistance
Charge
SI unit of electric potential is:
watt
volt
coulomb
joule
Positive charge can be produced by:
By rubbing ebonite rod on wool
Combing in hair
Rubbing glass rod on silk
By rubbing glass rod wool
The amount of current that can be painful is:
1A
0.005A
0.001A
2A
If X = A,B, then X is 1 when:
A and B are 1
A is 0 and B is 1
A is 1 and B is 0
A or B is 0
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