Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become R. 0.5R. 2R. 4R. R. 0.5R. 2R. 4R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. 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
Electric Circuits Current locus is obtained by which of the following? Varying any one of the circuit element Either of these None of these Varying source frequency Varying any one of the circuit element Either of these None of these Varying source frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is 15 μF. 0.015 F. 1.5 μF. 1.5 F. 15 μF. 0.015 F. 1.5 μF. 1.5 F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is 2R/3. 3R/2. R/2. R. 2R/3. 3R/2. R/2. R. ANSWER DOWNLOAD EXAMIANS APP