Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 8R Ω 4R Ω R Ω 2R Ω 8R Ω 4R Ω R Ω 2R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it. parallel series none of them both of above parallel series none of them both of above ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as flux density. none of above. susceptibility. relative permeability. flux density. none of above. susceptibility. relative permeability. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is still f0. 2f0. f0 / 4. f0 / 2. still f0. 2f0. f0 / 4. f0 / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. zero. same. none of them. different. zero. same. none of them. different. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 5000 ohms. 500 ohms. 50 ohms. 1000 ohms. 5000 ohms. 500 ohms. 50 ohms. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
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