Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 10 Ω 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Input power True component of power Losses kWh consumed Input power True component of power Losses kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 600 Ω 800 Ω 1000 Ω 400 Ω 600 Ω 800 Ω 1000 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Thermal effect Magnetic effect Chemical effect Luminous effect Thermal effect Magnetic effect Chemical effect Luminous effect ANSWER DOWNLOAD EXAMIANS APP
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