- (A) compensate for line inductive reactance
- (B) compensate for line capacitive reactance
- (C) improve line voltage
- (D) none of the above
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- (A) 2
- (B) 3
- (C) 4
- (D) 1
- (A) Ri=∞ ,A=∞ ,R0=0
- (B) Ri=0 ,A=∞ ,R0=0
- (C) Ri=∞ ,A=∞ ,R0=∞
- (D) Ri=0 ,A=∞ ,R0=∞
- (A) Not need an input resistor
- (B) Be virtual ground
- (C) Have high reverse current
- (D) Not invert the signal
- (A) Current controlled Current source
- (B) Current controlled voltage source
- (C) Voltage controlled voltage source
- (D) voltage controlled current source
- (A) Less than one
- (B) Greater than one
- (C) Of zero
- (D) Equal to one
- (A) The ratio of the input resistance to feedback resistance
- (B) The open-loop voltage gain
- (C) The feedback resistance divided by the input resistance
- (D) The input resistance
- (A) 1.273kHz
- (B) 12.73kHz
- (C) 127.3 kHz
- (D) 127.3 Hz
- (A) burning
- (B) arcing
- (C) melting
- (D) none of the above
- (A) no ageing effect
- (B) high speed of operation
- (C) high rupturing capacity
- (D) all of the above
