Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100 V, 50 Hz. 50√2 V, 100 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. 100 V, 50 Hz. 50√2 V, 100 Hz. 100√2 V, 100 Hz. 100 V, 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 5 A 23.33 A 3.33 A 1 A 5 A 23.33 A 3.33 A 1 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following materials has highest electrical conductivity ? Silver. Steel. Aluminium. Copper. Silver. Steel. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electro-chemical equivalent is usually expressed in mg per volt. mg per kW. mg per coulomb. mg per kVA. mg per volt. mg per kW. mg per coulomb. mg per kVA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RLC circuit under resonance condition the value of current is Zero None of these Minimum Maximum Zero None of these Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP