- (A) Both rectifiers provides positive current to the load
- (B) Both rectifiers provide negative current to the load
- (C) One rectifiers provide positive current to the load and the other negative current
- (D) One rectifier provide positive current to the source and the other negative current to the load
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- (A) Two SCR’s connected in reverse parallel
- (B) Two SCR’s connected in parallel
- (C) Two SCR’s connected in series
- (D) Two BJT’s connected in series
- (A) both as forward characteristics
- (B) both as reverse characteristics
- (C) former as forward characteristics and later as reverse characteristics
- (D) former as reverse characteristics and later as forward characteristics
- (A) as static conductor
- (B) for power control
- (C) for speed control of dc shunt motor
- (D) All of these
- (A) breakdown voltage
- (B) peak reverse voltage
- (C) holding current
- (D) latching current
- (A) voltage sensitive load from excessive dc power supply output voltages
- (B) current sensitive load from excessive dc power supply output voltages
- (C) voltage sensitive load from excessive ac power supply output voltages
- (D) current sensitive load from excessive ac power supply output voltages
- (A) Diode
- (B) BJT
- (C) SCR
- (D) TRIAC
- (A) Second harmonic
- (B) Third harmonic
- (C) Fifth harmonic
- (D) Do not produce harmonics
- (A) Unidirectional
- (B) Bidirectional
- (C) Fixed voltage polarity
- (D) Only (a) and (c)
- (A) Sine wave
- (B) Square wave
- (C) Saw – tooth wave
- (D) Trapezoidal wave
