Current Electricity Electric current is a Number only Vector quantity Scalar quantity Sometimes scalar and sometimes vector Number only Vector quantity Scalar quantity Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity Length Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Begins to weep Is excited Becomes insensitive to pain Begins to laugh Begins to weep Is excited Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
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