Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt 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 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive Negative None of the listed here Zero Positive Negative None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Decreases Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here 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? Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 66 V 80 V 33 V 132 V 66 V 80 V 33 V 132 V ANSWER DOWNLOAD EXAMIANS APP
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