# 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.

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

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

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