Current Electricity The insulation on a current carrying conductor is provided To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here 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 Remain constant Decrease None of these Increase Remain constant Decrease None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Voltages are additive Elements have individual currents Power are additive Currents are additive Voltages are additive Elements have individual currents Power are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Charcoal Graphite Nichrome Silicon carbide Charcoal Graphite Nichrome 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 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP