Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Decrease Remain constant Increase None of these Decrease Remain constant Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Currents are additive Voltages are additive Elements have individual currents Power are additive Currents are additive Voltages are additive Elements have individual currents Power are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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