Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
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? 3.2 microfarad. 8 microfarad. 1 microfarad. 20 microfarad. 3.2 microfarad. 8 microfarad. 1 microfarad. 20 microfarad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 675. 3600. 7.5. 240. 675. 3600. 7.5. 240. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 100 V. 88 V. 70.7 V. 63.6 V. 100 V. 88 V. 70.7 V. 63.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 5 × 10-9 J. 0.01 J. 0.05 J. 10 × 10-9 J. 5 × 10-9 J. 0.01 J. 0.05 J. 10 × 10-9 J. 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. decrease. becomes zero. remains unchanged. increase. decrease. becomes zero. remains unchanged. ANSWER DOWNLOAD EXAMIANS APP
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