Electric Circuits Which of the following materials has highest electrical conductivity ? Copper. Steel. Silver. Aluminium. Copper. Steel. Silver. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor? 9.7 ohms. 8.7 ohms. 6.7 ohms. 7.7 ohms. 9.7 ohms. 8.7 ohms. 6.7 ohms. 7.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Voltage Power Speed Current Voltage Power Speed Current ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 0.85 / frequency. T = frequency. T = 1 / frequency. T = 0.5 / frequency. T = 0.85 / frequency. T = frequency. T = 1 / frequency. T = 0.5 / frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 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 1 A 3.33 A 5 A 23.33 A 1 A 3.33 A ANSWER DOWNLOAD EXAMIANS APP