The speed of sound in a liquid is …………..than that in gases:
Ten times
Fifteen times
Five times
Two times
Which of the following reasons increase the importance of computer:
Speedy
Long time storage of memory
Quick decision
All of these
In variable capacitor, dielectric medium is:
Paper
Air
Mica
Ceramic
A parallel circuit is also used as a divider for:
Power
Resistance
Current
Which of the following is an example of simple harmonic motion:
Motion of a simple pendulum
The motion of ceiling fan
The spinning of the earth on its axis
A bouncing ball on a floor
Information storage device work on the principles of:
Heat
Sound
Light
Magnetism