Current Electricity Electrical current is due to the flow of Negative charges only Positive charges only Neutral particles only Both positive and negative charges Negative charges only Positive charges only Neutral particles only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided To prevent shock To prevent leakage of current None of above factors Both of the listed here To prevent shock To prevent leakage of current None of above factors Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance An insulator A superconductor A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Copper Constantan Silver Carbon Copper Constantan Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Silicon carbide Nichrome Charcoal Graphite Silicon carbide Nichrome Charcoal ANSWER DOWNLOAD EXAMIANS APP