Current Electricity Semiconductors have _______temperature co-efficient of resistance. Positive Negative Zero None of the listed here Positive Negative Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Positive charges only Neutral particles only Negative charges only Both positive and negative charges Positive charges only Neutral particles only Negative charges only Both positive and negative charges 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? 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 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 28.28 mA 14.14 mA 0.707 mA 7.07 mA 28.28 mA 14.14 mA 0.707 mA 7.07 mA 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 Rl Ri None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri 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 6.4 A, 9.6 A 4.6 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 6.4 A, 6.9 A ANSWER DOWNLOAD EXAMIANS APP