The substances which do not have free electrons are called:
Insulators
Conductors
Semiconductors
None of these
an ideal voltmeter is that which draws:
small current
no current
high current
none of these
One micro coulomb charge is equal to:
10-3c
103c
106c
10-6c
The waves in which particles of the medium vibrate perpendicular to the direction of waves are:
Electromagnetic waves
Sound waves
Both a and b
Transverse waves
