Current Electricity A closed switch has a resistance of About 500 ohms About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will fuse 40 W lamp will glow brighter Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature ANSWER DOWNLOAD EXAMIANS APP
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