Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Carbon Silver Constantan Copper Carbon Silver Constantan 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 Length of heating element has no effect on heating if water None of these Length of heating element should be decreased Length of heating element should be increased Length of heating element has no effect on heating if water None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 0.707 mA 28.28 mA 7.07 mA 14.14 mA 0.707 mA 28.28 mA 7.07 mA 14.14 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Nichrome Silicon carbide Charcoal Graphite Nichrome Silicon carbide Charcoal Graphite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Charge None of the listed here Potential Capacity Charge None of the listed here Potential Capacity ANSWER DOWNLOAD EXAMIANS APP
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