Electric Circuits To obtain a high value of capacitance, the permittivity of dielectric medium should be low unity high zero low unity high zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 0.5. 2. 4. 0.25. 0.5. 2. 4. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is - 6 V. 12 V. 6 V. 10 V. - 6 V. 12 V. 6 V. 10 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor? 3A 2A 5A 4A 3A 2A 5A 4A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Tungsten. Metal alloys constantan and manganin. Brass. Platinum. Tungsten. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will increase. remains unchanged. becomes zero. decrease. increase. remains unchanged. becomes zero. decrease. ANSWER DOWNLOAD EXAMIANS APP