GATE EE Electrical Circuits & Fundamentals — practice questions
34 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GATE EE Electrical Circuits & Fundamentals in the app →Ohm's law states:Kirchhoff's Voltage Law (KVL):For series resistors R1, R2, R3, equivalent resistance is:Power dissipated in a resistor under DC:Maximum power is transferred from source to load when:For a sinusoidal voltage v(t) = V_m sin(ωt), the RMS value is:Frequency of Indian AC supply:Inductive reactance X_L = ?Capacitive reactance X_C = ?Impedance of series RLC circuit:Series RLC resonance occurs when:Quality factor Q of series RLC at resonance:Power factor in AC circuit is:In a balanced 3-phase 4-wire system (star/Y), line-to-line voltage relates to phase voltage as:Nodal analysis is based on:Energy stored in a capacitor:Energy stored in an inductor:Two capacitors C1 and C2 in series. Equivalent capacitance:Two capacitors in parallel:Magnetic flux Φ in a magnetic circuit:Faraday's law of electromagnetic induction:Reluctance of magnetic circuit (analogous to electrical resistance):Ideal transformer voltage ratio:
1 kWh (kilowatt-hour) equals:Power factor of pure resistive load:Diode allows current to flow:For a half-wave rectifier with input V_m sin(ωt), DC output (avg) is:Full-wave bridge rectifier with input V_m sin(ωt), DC output:Force on a current-carrying conductor of length l in magnetic field B (perpendicular):In a 3-phase transmission line, line voltage rms is 415 V. Phase voltage (Y/star) is:Energy density in magnetic field B is:RL time constant:Two-wattmeter method measures 3-phase power. Total power:For sinusoidal v(t) = V_m cos(ωt), peak-to-peak value: