GATE EE 1998 | GATE EE Year Wise Previous Years Questions

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GATE EE 1998

MCQ (Single Correct Answer)

-0.3

The magnetizing current in a transformer is rich in

3^rd harmonic

5^th harmonic

7^th harmonic

13^th harmonic

GATE EE 1998

MCQ (Single Correct Answer)

-0.3

The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized in the following equation:

e = iR

$$\mathrm e\;=\;\mathrm L\frac{\operatorname d\mathrm i}{\operatorname d\mathrm t}$$

$$\mathrm e\;=\;-\frac{\operatorname d\mathrm\psi}{\operatorname d\mathrm t}$$

none of these

GATE EE 1998

MCQ (Single Correct Answer)

-0.6

Match the following

List-I (Test)
(A) No load and blocked rotor test
(B) Sumpner’s test
(C) Swinburn’s test

List-II (Machine)
(1) Transformer
(2) Induction machine
(3) Synchronous machine
(4) DC machine

$$\begin{array}{l}A\;\;\;B\;\;\;C\\2\;\;\;\;1\;\;\;\;4\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\1\;\;\;\;2\;\;\;\;4\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\4\;\;\;\;3\;\;\;\;1\end{array}$$

$$\begin{array}{l}A\;\;\;B\;\;\;C\\4\;\;\;\;1\;\;\;\;3\end{array}$$

GATE EE 1998

MCQ (Single Correct Answer)

-0.6

A 240 V d.c. shunt motor with an armature resistance of 0.5 $$\Omega$$ has a full load current of 40 A. Find the ratio of the stalling torque to the full load torque when a resistance of 1 $$\Omega$$ is connected in series with the armature?

None of the above

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