Author Question: What size capacitor should be placed in series with a 30- resistor and a 40-mH inductive coil if the ... (Read 54 times)

robinn137 · **on:** Jul 29, 2018

What size capacitor should be placed in series with a 30- resistor and a 40-mH inductive coil if the resonant frequency of the circuit is to be 1.0 kHz?

A) 3.3 F B) 0.63 F C) 6.0 F D) 4.5 F E) 2.0 F

Question 2

You are given a copper bar of dimensions 3 cm 5 cm 8 cm and asked to attach leads to it in order to make a resistor. If you want to achieve the smallest possible resistance, you should attach the leads to the opposite faces that measure

A) 3 cm 5 cm.
B) 3 cm 8 cm.
C) 5 cm 8 cm.
D) Any pair of faces produces the same resistance.