The power of small fan is:
40 W
50 W
60 W
80 W
In a vacuum all electromagnetic waves have the same:
Speed
A digital multimeter is used to measure:
Current
Resistance
Potential difference
All of above
Which type of image is produced by the converging lens of human eye if it views a distant object:
Real, erect, same size
Real, inverted, diminished
Virtual, erect, diminished
Virtual, inverted, magnified
In liquids and gases the current is due to the motion of:
Negative charges
Positive charges
Both positive and negative charges
None of these
NOT gate is also called:
Converter
Inverter
Transmitter
Receiver