Author Question: What size capacitor must be placed in series with a 30. resistor and a 40. mH coil if the resonant ... (Read 21 times)

tsand2 · **on:** Jul 27, 2018

What size capacitor must be placed in series with a 30. resistor and a 40. mH coil if the resonant frequency of the circuit is to be 1000. Hz?

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

Question 2

A transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?

A) 0.75 A
B) 1.3 A
C) 12 A
D) 24 A
E) 48 A