Physics Superconductors are substances which conduct electricity at low temperature conduct electricity at high temperatures offer high resistance to the flow of current offer no resistance to the flow of electricity conduct electricity at low temperature conduct electricity at high temperatures offer high resistance to the flow of current offer no resistance to the flow of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fusion Radioactivity Nuclear fission Artificial radioactivity Nuclear fusion Radioactivity Nuclear fission Artificial radioactivity ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because Its feet are good insulators It has high resistance It does not form a closed path for the flow of current The body is earthed Its feet are good insulators It has high resistance It does not form a closed path for the flow of current The body is earthed ANSWER DOWNLOAD EXAMIANS APP
Physics Water will not be vapourised if The temperature is 0°C The humidity is 0% The temperature is 100°C The humidity is 100% The temperature is 0°C The humidity is 0% The temperature is 100°C The humidity is 100% ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Expands more than a liquid Is lighter than liquid Is easy to obtain Does not change state easily Expands more than a liquid Is lighter than liquid Is easy to obtain Does not change state easily ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Force Momentum Energy Power Force Momentum Energy Power ANSWER DOWNLOAD EXAMIANS APP
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