Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Either Rl or Ri None of them Ri Rl Either Rl or Ri None of them Ri Rl 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 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 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 80 V 33 V 66 V 132 V 80 V 33 V 66 V 132 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 40 W lamp will fuse 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 40 W lamp will glow brighter 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS