High frequency inductors and capacitors are commonly plated with silver. The main purpose of this is to
Options
A. reduce dc resistance
B. reduce ac resistance
C. increase dc resistance
D. increase ac resistance
Correct Answer
reduce ac resistance
More questions
1. A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/f is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque
Options
A. will be less than 100 N-m
B. will be more than 100 N-m
C. may be more or less than 100 N-m depending on motor parameters