Basic electrical engineering
Previous year question paper with solutions for Basic electrical engineering May-2018
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Question paper 1
SECTION-A
Q1. Do as directed.
a. Unit of resistance is ______.
Answer:
b. Define ohms law.
Answer:
c. In domestic installation all the electrical appliances are connected in _____
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d. Constant voltage source has _____internal impedance as compared to external load impedance.
Answer:
e. Unit of magnetic flux density is ______
Answer:
f. The specific gravity of fully charged cell is ______
Answer:
g. Draw sinusoidal AC waveform w.r.t. angle.
Answer:
h. At resonance in series RLC circuit, XL = _____
Answer:
i. The formula for calculating the capacitive reactance Xc = ______
Answer:
j. Fuel used in thermal power plant is _______
Answer:
SECTION-B
Q2. Attempt any six questions.
i. Define Resistance. On which factor resistance depends discuss.
Answer:
ii. Resistance of 2ohm, 3ohm and 6ohm are connected in parallel and the combination is connected in series with a resistance of 1 ohm across a battery with an E.M.F. of 44V. find
a. Potential difference across 1ohm resistance.
b. Potential difference across parallel circuit.
c. Current in each resistor.
Answer:
iii. Discuss comparison between magnetic and electric circuit.
Answer:
iv. Write a short note on
a) Cycle
b) Time period
c) Frequency
d) Amplitude
e) Phase v. Discuss resistance inductance and capacitance in series
Answer:
vi. What do you mean by Q factor of a parallel circuit? What is its importance?
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vii. Discuss nuclear power station with neat diagram viii. Discuss Kirchhoff’s voltage law
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viii. Discuss Kirchhoff’s voltage law
Answer:
SECTION-C
Q3. Attempt any three questions.
a. State and explain the venin's theorem
Answer:
b. Explain the construction and working of Lead acid battery.
Answer:
c. Explain the steam power plant with neat diagram
Answer:
d. Explain the generation of alternating voltage with diagram and discuss e.m.f. equation.
Answer: