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 12.1 Ω 9 Ω 11 Ω 10 Ω 12.1 Ω 9 Ω 11 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect 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 Eureka has _______ temperature co-efficient of resistance. None of the listed here Negative Almost zero Positive None of the listed here Negative Almost zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Mercury Zinc Lead Copper Mercury Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS