In how many ways can 4 different resistors be arranged in series?
Choices:
A) 6
B) 24
C) 120
D) 360
E) 720
4! = 4 * 3 * 2 * 1= 
<gadget id="calculator">4 * 3 * 2 * 1</gadget>
<output>24</output>
24   Ans - 24
<result>B</result>
In how many ways can 4 different resistors be arranged in series?