Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 1 microfarad. 20 microfarad. 3.2 microfarad. 8 microfarad. 1 microfarad. 20 microfarad. 3.2 microfarad. 8 microfarad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 2 V. 3 V. 1 V. 4 V. 2 V. 3 V. 1 V. 4 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Tungsten. Brass. Metal alloys constantan and manganin. Platinum. Tungsten. Brass. Metal alloys constantan and manganin. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Specific resistance is measured in ohm. mho. ohm/cm. ohm - cm. ohm. mho. ohm/cm. ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 50 Hz. 0 Hz. 100 Hz. 150 Hz. 50 Hz. 0 Hz. 100 Hz. 150 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 100% 90% 63.2% 68.3% 100% 90% 63.2% ANSWER DOWNLOAD EXAMIANS APP