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 10 Ω 11 Ω 12.1 Ω 9 Ω 10 Ω 11 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two molecules Two atoms Two metal particles Two ions Two molecules Two atoms Two metal particles Two ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 10 ohm 1000 ohm 25 ohm 200 ohm 10 ohm 1000 ohm 25 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An open resistor, when checked with an ohmmeter reads Zero Low but not zero High but within tolerance Infinite Zero Low but not zero High but within tolerance Infinite ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Zinc Copper Lead Mercury Zinc Copper Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Copper and silver Nickel and chromium Chromium and vanadium Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium Lead and zinc ANSWER DOWNLOAD EXAMIANS APP