Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases None of these Remains same Decreases Increases None of these Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 0.707 mA 14.14 mA 7.07 mA 28.28 mA 0.707 mA 14.14 mA 7.07 mA 28.28 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Power are additive Voltages are additive Currents are additive Elements have individual currents Power are additive Voltages are additive Currents are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors Insulators Resistor with zero temperature co-efficient Non-linear resistors Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat Voltmeter ANSWER DOWNLOAD EXAMIANS APP