4. An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately ________.
(a) 55 Ω (b) 5.5 Ω (c) 50 Ω (d) 9 Ω
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
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 17. Five 100 Ω resistors are connected in parallel. If one resistor is removed, the total resistance is ________. (a) 25 Ω (b) 500 Ω (c) 100 Ω (d) 20 Ω
5555555555 12. A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately ________. (a) 790 Ω (b) 470 Ω (c) 60 Ω (d) 30 Ω
5555555555 16. A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is ________. (a) 680 Ω (b) 1,029 Ω (c) 200 Ω (d) 880 Ω