ENGINEERING CIRCUIT ANALYSIS BOARD
EVALUATION 2026 GUARANTEED PASS
ANSWERS GRADED A+
● What is the force on a 3m conductor carrying 50A at right angles to a
0.67T field? Answer: 100 N
● What is the voltage of a 200V max sine wave at the instant of 30° of
the cycle? Answer: 100 V
● In a pure resistive circuit, how does current relate to voltage? Answer:
Current is in phase with the voltage.
● What is the equation for a 50 Hz sinusoidal wave with 30 A rms
current? Answer: 42.42 \sin 314 t.
● What theorem states that maximum power output is obtained when
load resistance equals the output resistance of the network? Answer:
Maximum power transfer theorem.
● What is the least number of 1-phase wattmeters needed to measure
total power of an unbalanced load in a 3-phase, 4-wire system? Answer:
3.
EVALUATION 2026 GUARANTEED PASS
ANSWERS GRADED A+
● What is the force on a 3m conductor carrying 50A at right angles to a
0.67T field? Answer: 100 N
● What is the voltage of a 200V max sine wave at the instant of 30° of
the cycle? Answer: 100 V
● In a pure resistive circuit, how does current relate to voltage? Answer:
Current is in phase with the voltage.
● What is the equation for a 50 Hz sinusoidal wave with 30 A rms
current? Answer: 42.42 \sin 314 t.
● What theorem states that maximum power output is obtained when
load resistance equals the output resistance of the network? Answer:
Maximum power transfer theorem.
● What is the least number of 1-phase wattmeters needed to measure
total power of an unbalanced load in a 3-phase, 4-wire system? Answer:
3.
