Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-hours Ampere-volts kWh Amperes Ampere-hours Ampere-volts kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Constant Manganin Nichrome Copper Constant Manganin Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Aluminium wire tungsten wire Copper wire Carbon resistance Aluminium wire tungsten wire Copper wire ANSWER DOWNLOAD EXAMIANS APP
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