Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. None of these R = r. R > r. R < r. None of these R = r. R > r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will remains unchanged. becomes zero. decrease. increase. remains unchanged. becomes zero. decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? None of these Series resonance Both Parallel resonance None of these Series resonance Both Parallel resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electrolyte for silver plating is dilute sulphuric acid. potassium nitrate solution. double cyanide of silver and potassium solution. any of above. dilute sulphuric acid. potassium nitrate solution. double cyanide of silver and potassium solution. any of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 10 × 10-9 J. 0.01 J. 5 × 10-9 J. 0.05 J. 10 × 10-9 J. 0.01 J. 5 × 10-9 J. 0.05 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.35 mA. 0.5 mA. 1 mA. 0.25 mA. 0.35 mA. 0.5 mA. 1 mA. 0.25 mA. ANSWER DOWNLOAD EXAMIANS APP
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