Current Electricity A closed switch has a resistance of Infinity About 50 ohms About 500 ohms Zero Infinity About 50 ohms About 500 ohms Zero 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
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 3 times 9 times 1/9 times 1/3 times 3 times 9 times 1/9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Positive None of the listed here Almost zero Negative Positive None of the listed here Almost zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open There will be heavy current in the main line The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light There will be heavy current in the main line The other two bulbs will light Rest of the two bulbs will not light All three bulbs will light 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 1.2 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 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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