Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2 / R. R / n2. n2R. nR . n2 / R. R / n2. n2R. nR . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q2 × d. Q / d2. Q2 / d. Q × d. Q2 × d. Q / d2. Q2 / d. Q × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is 0.02 F 0.05 F 0.5 F 0.2 F 0.02 F 0.05 F 0.5 F 0.2 F ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of lead acid cell is _______________ that of Edison cell. less than. equal to. none of above. more than. less than. equal to. none of above. more than. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reactive power drawn by a pure resistor is minimum maximum 0 None of these minimum maximum 0 None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The voltage across each bulb is not same. The power dissipation in each bulb is not same. The current through each bulb is same. None of these The voltage across each bulb is not same. The power dissipation in each bulb is not same. The current through each bulb is same. None of these ANSWER DOWNLOAD EXAMIANS APP
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