What will be thee flux passing through each face of the cube, if a cube is of sides 2 with charge 'q' at centre.
Question 2
Soft magnetic materials should have
Question 3
Schottky defect includes:
Question 4
The maximum allowed temperature for Class E insulation materials are:
Question 5
A permeable substance is one
Question 6
Which among the following platinum metals are not used in electrical contacts? i. Osmium ii. Iridium iii. Palladium iv. Ruthenium
Question 7
If a LG fault occurs on ‘phase b’ then
Question 8
Electric generators transform
Question 9
ABCD parameters of 3 φ transmission line are A = D = 0.9∠2.5 °, B = 150∠81 °Ω andC = 0.05∠92.6 °S. If the sending end voltage is 450 kV, then the receiving end voltage under noload condition is _______ kV.
Question 10
Which of the following cycle does a modern steam power plant work.
Question 11
A two-bus system has loss coefficient are given, which of the following condition will match for two bus system?
Question 12
A 3 set insulator string as shown in below figure. In this, m = 5 and the voltage across insulator away from conductor is 10 kV. The string efficiency is ________%.
Question 13
A TTL NOT gate circuit is shown in the figure. Assuming VBE = 0.7 V of both the transistors, if Vi = 3.0 V of both the transistors, if Vi = 3.0V, then the states of the two transistors will be
Question 14
Which of the following statement is incorrect for an operational amplifier?
Question 15
Calculate V0 for the following circuit, assume VBE active = 0.7 V
Question 16
In each of the ideal diode circuits shown in figure, Vi is a 1 kHz, 5 V peak sinewave. Calculate V0 (positive and negative values)
Question 17
Which among the following is a not traversablenetwork? i. ii. iii. iv.
Question 18
The ratio of electric field at base of two charged spheres r1 and r2 connect each other using wire will be:
Question 19
The resistance between any two terminals of the balanced delta-connected load is 12Ω. The resistance of each phase is _________ .
Question 20
The power factor of the star-connected load shown in Fig. is………………….
Question 21
When the field flux axis is ahead of armature field axis in direction of rotation, machine will works like:
Question 22
Approximately, what size breaker is required on primary side to protect 3 phase 208v to 480v 3kVA transformer?
Question 23
Find thepower consumed in single phase of the load as shown in the circuit?
Question 24
Which among the following graph represents characteristics of compound wound DC generator?
Question 25
Which statement is correct for transmission lines?
Question 26
Induction motor can be self starting, if it uses:
Question 27
The speed of repulsion motor at no load will be:
Question 28
Find the total power in balanced Delta- Delta system?
Question 29
Two condensers of capacity 2F and 3F are connected in series, a third condenser of 1F is connected in parallel to them, the resultant capacity in Farad (F) will be __________.
Question 30
What is the maximum load that can be connected in a circuit connecting only lighting points?