Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 25 : 4 5 : 2 2 : 5 4 : 25 25 : 4 5 : 2 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors To prevent leakage of current To prevent shock Both of the listed here None of above factors To prevent leakage of current To prevent shock Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 200 ohm 10 ohm 25 ohm 1000 ohm 200 ohm 10 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 20 Ω, 30 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A column of mercury A cube of carbon A cube of copper The unit length of wire A column of mercury A cube of carbon A cube of copper The unit length of wire 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
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