Q. The voltage drop per ampere-metre of an aluminium conductor is higher as compared to a copper conductor of the same size due to its higher

View solution

Q. In a purely inductive ac circuit, the supply voltage and voltage induced across inductance are equal and opposite at all instants.

View solution

Q. A zinc carbon cell is a primary cell.

View solution

Q. When determining Thevenin's resistance of a circuit

View solution

Q. For a given line voltage, four heating coils will produce maximum heat when connected

View solution

Q. The integral of a unit step function is

View solution

Q. As per Euler's identity e^(jωt) = cos ωt + j sin ωt

View solution

Q. Two network said to be dual to each other

View solution

Q. When cells are connected in series, emfs of all cells must be equal.

View solution

Q. Which of the following is not a non-linear element?

View solution

Q. Nodal analysis is applicable to __________ .

View solution

Q. For a series circuit of variable R and XL, the impedance locus is

View solution

Q. A capacitor does not allow sudden changes

View solution

Q. Assertion (A): Thevenin's theorem helps us to find current in a branch of a network for different values of impedances of that branch.

Reason (R): Thevenin's equivalent circuit replaces a network by a voltage source in series with impedance.

View solution

Q. If a 'live' conductor of a public supply touches earth metal

View solution

Q. If a fuse is higher than required current rating is employed in a circuit, it will

View solution

Q. A series circuit has fixed resistance and variable reactance. The impedance locus will be a straight line parallel to Y-axis.

View solution

Q. In ionic bonding, the valence electron is donated by one atom and accepted by the other atom.

View solution

Q. For stable network, the real part of poles and zeros of driving point function must be

View solution

Q. Maximum power from a source having internal resistance Ri is delivered to a resistive load RL, if

View solution