If the voltage applied across a capacitance is triangular in waveform then the wave form of the circuit is
Triangular
Trapezoidal
Sinusoidal
Reactangular
One of the following statements which is true for relative dielectric constant is
It is dimensionless
It is not equal to unity for vacuum
It's value for all the substances is less than one
None
Pure metals generally have-
high conductivity and low temperture coefficient
high conductivity and large temperture coefficient
lowconductivity and zero temperture coefficient
low conductivity and high temperture coefficient
For small size, high frequency coils, the most common core material is-
Air
Ferrite
Powdered ion
Steel
The location of lightning arrestor is-
Near the transformer
Near the circuit breaker
Away form the trasformer
None