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 2R Ω 4R Ω 8R Ω R Ω 2R Ω 4R Ω 8R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which field is associated with the capacitor? Both of (A) and (B). Magnetic. Electric. None of above. Both of (A) and (B). Magnetic. Electric. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? Electrolytic. Paper. both (B) and (C) above. Glass. Electrolytic. Paper. both (B) and (C) above. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source? P. 16P. 2P. 4P. P. 16P. 2P. 4P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A battery of E Volts is supplying a steady current to a series circuit of total resistance RΩ and inductance L Henry. A part R1 of the total resistance is suddenly short circuited. Find the expression for current flowing through the battery subsequent to the operation. i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} i = {E / R1 - R)}(1- e - (R1 - R) t / L) i = {E / (R - R1)}[1-(R1 / R) *e- {(R - R1 )t/L} None of these i = {E / R}[1-(R1 / R) *e - {(R - R1 )*t/L} ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is Va in the below circuit? (6R + 10) / 3. (3R + 10) / 3. (4R + 10) / 3. (6R - 10) / 3. (6R + 10) / 3. (3R + 10) / 3. (4R + 10) / 3. (6R - 10) / 3. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS