A. Zero B. Infinity C. One D. Two Right Answer: A. Zero Share : January 12, 2018 Asghar Khan Electrical Engineering Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -The overload release protects the motor against?Heating element of electric iron box is an alloy of?Which among these uses a low voltage DC source?