1.B] A sinusoidally varying alternating voltage is given by, 𝑣(𝑡) = 𝑉𝑚𝑠𝑖𝑛𝜔𝑡, to obtain its RMS value of voltage in terms of maximum value. Answer:- RMS Value of an Alternating Voltage Consider sinusoidal varying current and square the current. Consider…
7.A] How rotating magnetic field is set up in the case of three phases induction motor? Illustrate with neat figures. Answer:-
4.C] A balanced 3-phase star-connected system draws power from a 440V supply. The two wattmeters connected indicate 5KW and 1.2 KW. Determine power, power factor, and current in the circuit Answer:-
4.B] When three-phase balanced impedances are connected in star, across a three-phase, 415V, 50Hz supply, the line current drawn is 20A, at a lagging p.f of 0.4. Determine the parameters of the impedance in each phase. Answer:-
3.B] A circuit consists of a resistance of 20Ω, an inductance of 0.05H connected in series. A supply of 230V at 50 Hz is applied across the circuit. Determine the current, power factor, and power consumed by the circuit. Answer:-
On this website, you will find all subjects solved model question paper with answers and VTU 1st Year 21ELE13 Basic Electrical Engineering Solved Model Question paper with answer Basic Electrical Engineering Solved Model Question paper with answer Module-1 1.A] With…
5.B] How back emf regulates the armature current in a D.C. Motor? Explain with relevant equations. When the Armature of D C motor starts rotating and the armature conductor cuts themagnetic flux, hence an EMF is induced in the Conductor…
5.A] Explain the principle of operation and construction of a dc generator. Working principle of D.C.Machine as a generator: It is based on the principle of dynamically induced e.m.f . Whenever a conductor cuts magnetic flux, dynamically induced e.m.f. is…
3.C] Deduce the relationship between the phase and the line voltages of a three-phase star-connected system. Consider a balanced star-connected load as shown in fig. The three phase voltages are displaced by 120° from each other. The phasor diagram to…
4.A] Develop an equation for the power consumed by an R-L series circuit. Draw the waveforms of voltage, current, and power. Answer:- Circuit draws a current I then there are two voltage drops,a) Drop across pure resistance, VR = I…
