Current Electricity Which of the following is the best material for making connecting wires? Nichrome Manganin Constant Copper Nichrome Manganin Constant Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero Positive Negative None of the listed here Almost zero Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 5 : 2 2 : 5 4 : 25 25 : 4 5 : 2 2 : 5 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Decrease Remain constant None of these Increase Decrease Remain constant None of these ANSWER DOWNLOAD EXAMIANS APP
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