Current Electricity Resistance of a material always decreases if Temperature of material is increased None of these Number of free electrons available becomes more Temperature of material is decreased Temperature of material is increased None of these Number of free electrons available becomes more Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Any value High Very low Low Any value High Very low Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Wattmeter Voltmeter Rheostat Galvanometer Wattmeter Voltmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Increases Decreases Remains same None of these Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads High but within tolerance Zero Low but not zero Infinite High but within tolerance Zero Low but not zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
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