- (A) zero sequence currents only
- (B) positive sequence currents only
- (C) negative and zero sequence currents
- (D) zero, negative and positive sequence currents
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- (A) no current flow
- (B) heavy current flow
- (C) voltage drop
- (D) voltage rise
- (A) 20 A
- (B) 50 A
- (C) 100 A
- (D) 200 A
- (A) low currents circuits
- (B) low voltages circuits
- (C) high voltages and large currents circuits
- (D) all circuits
- (A) overload
- (B) short-circuit and overload
- (C) open circuit, short-circuit and overload
- (D) none of the above
- (A) Photoelectric effect
- (B) Electrostatic effect
- (C) Heating effect
- (D) Magnetic effect
- (A) current
- (B) voltage
- (C) VAR
- (D) kVA
- (A) transmission line
- (B) motor
- (C) generator
- (D) feeder
- (A) low melting point and high specific resistance
- (B) low melting point and -low specific resistance
- (C) high melting point and low specific resistance
- (D) low melting point and any specific resistance
- (A) in series with circuit
- (B) in parallel with circuit
- (C) either in series or in parallel with circuit
- (D) none of the above
