Solve.Two resistors are wired in parallel, one of which is 80 ohms. If the total resistance is to be 60 ohms, what must be the value of the other resistor? Use the formula for the total resistance R in an electrical circuit with resistors R1, R2, R3, ..., Rn that are wired in parallel.
=
+
+
+ ... +
src="https://sciemce.com/media/4/ppg__2720702191531__f1q105g5.jpg" style="vertical-align: -21.0px;" />
A. 34.3 ohms
B. 20 ohms
C. 240 ohms
D. 140 ohms
Answer: C
Mathematics
You might also like to view...
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-7 + 2i) + (13 + 7i)
A. -6 + 9i B. 6 + 16i C. 6 + 9i D. 13 + 9i
Mathematics
Evaluate the expression, if possible.81-5/4
A. 243
B.
C. -
D. not a real number
Mathematics
Decide whether each function is one-to-one.(i) f(x) = x2 + 5(ii)
A. (i) No; (ii) Yes B. (i) Yes; (ii) No C. (i) Yes; (ii) Yes D. (i) No; (ii) No
Mathematics
Multiply or divide, as indicated. Simplify the answer.
A. 3i B. -3i C. -3 D. 3
Mathematics