Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 4 A. 10 A. 5 A. 6 A. 4 A. 10 A. 5 A. 6 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fillers in a lead acid battery are provided to facilitate flow of gases. to prevent flow of gases. to recover acid loss through vapours. all of above. to facilitate flow of gases. to prevent flow of gases. to recover acid loss through vapours. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. none of these. increase. remain constant. decrease. none of these. increase. remain constant. ANSWER DOWNLOAD EXAMIANS APP
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 8R Ω R Ω 4R Ω 2R Ω 8R Ω R Ω 4R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is remain same. doubled. halved. increase by two times. remain same. doubled. halved. increase by two times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in the resistor R shown in figure will be 0.2 A. 0.4 A. 0.6 A. 0.8 A. 0.2 A. 0.4 A. 0.6 A. 0.8 A. ANSWER DOWNLOAD EXAMIANS APP
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