Download Aptitude Crack
img not found img not found

Capacitors - Technical MCQs

Q1:

If C1, a 4.7 F capacitor, and C2, a 3.3 F capacitor are in series with 18 Vdc applied, what is the voltage across C1?

A 3.3 V

B 7.4 V

C 6.6 V

D 9.4 V

ANS:B - 7.4 V

Cv1=Vt*Cv2/(Cv1+Cv2).
Cv1=4.7uF,
Cv2=3.3uF,
Vt=18v,
Cv1=18v*3.3/(4.7+3.3)uF,
Cv1=7.4v.