15. Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is ________.

(a) 60 mA (b) 15 mA (c) 135 mA (d) 31.25 mA

Answer

Answer : (d)

Explanation

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Product Condition: No Defects; Kulshreshtha, D C (Author); English (Publication Language); 880 Pages - 07/01/2017 (Publication Date) - McGraw Hill Education (Publisher)

5555555555 20. Four resistors of equal value are connected in parallel. If the total voltage is 15 V and the total resistance is 600 Ω, the current through each parallel resistor is ________. (a) 25 mA (b) 100 mA (c) 6.25 mA (d) 200 mA

5555555555 9. Two 6 V batteries are connected series aiding across two 1.2 kΩ resistors in series. Current through each resistor is ________. (a) 5 mA (b) 10 mA (c) 0 A (d) 2.5 mA

5555555555 15. A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is ________. (a) 24 mA (b) 200 mA (c) 120 mA (d) 20 mA

5555555555 5. The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately ________. (a) 22 mA (b) 120 mA (c) 220 mA (d) 50 mA

5555555555 22. Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is ________. (a) 900 μA (b) 9 mA (c) 90 mA (d) 800 μA