Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these Number of free electrons available becomes more Temperature of material is increased Temperature of material is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For which of the following 'ampere second' could be the unit? Energy Reluctance Charge Power Energy Reluctance Charge Power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on None of the listed here Both magnitude of voltage and current The magnitude of current flowing through it The magnitude of voltage on the conductor None of the listed here Both magnitude of voltage and current The magnitude of current flowing through it The magnitude of voltage on the conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses kWh consumed Input power True component of power Losses kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
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