Electric Circuits Internal resistance of ideal current source is finite 100 ohms infinite zero finite 100 ohms infinite zero ANSWER DOWNLOAD EXAMIANS APP
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 nR . R / n2. n2 / R. n2R. nR . R / n2. n2 / R. n2R. 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. 100 Hz. 150 Hz. 0 Hz. 50 Hz. 100 Hz. 150 Hz. 0 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 2. Not possible. 1. 4. 2. Not possible. 1. 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 25 Ω and 5 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 50 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Open circuit voltage of a fully charged lead acid cell is 2.5 V. 2 V. 2.7 V. 1.9 V. 2.5 V. 2 V. 2.7 V. 1.9 V. ANSWER DOWNLOAD EXAMIANS APP
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