Engineering Mathematics [GATE (Graduate Aptitude Test in Engineering) Electrical Engineering]: Questions 49 - 52 of 169

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Question 49

Engineering Mathematics

Appeared in Year: 2017

Question

MCQ▾

For the circuit shown in the figure below, it is given that . The transistor has when the B-E junction is forward biased.

B-E Junction

For this circuit, the value of is

Choices

Choice (4)Response

a.

129

b.

43

c.

92

d.

121

Question 50

Engineering Mathematics
Edit

Appeared in Year: 2019

Question

Numeric Answer▾

Five alternators each rated 5 MVA, 13.2 kV with 25 % of reactance on its own base are connected in parallel to a busbar. The short-circuit level in MVA at the busbar is ________.

Question 51

Engineering Mathematics
Edit

Appeared in Year: 2018

Question

Numeric Answer▾

The capacitance of an air-filled parallel-plate capacitor is 60 pF. When a dielectric slab whose thickness is half the distance between the plates, is placed on one of the plates covering it entirely, the capacitance becomes 86 pF. Neglecting the fringing effects, the relative permittivity of the dielectric is ________ (upto 2 decimal places) .

Question 52

Engineering Mathematics

Appeared in Year: 2018

Question

Numeric Answer▾

A three-phase load is connected to a three-phase balanced supply as shown in the figure. If and (angles are considered positive in the anti-clockwise direction) , the value of R for zero current in the neutral wire is ________ (upto 2 decimal places) .

A Three-Phase Load

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