Techno Academy

11/12/2021

First & Second Semester Class of Diploma, SBTE Bihar Running in full pace.

13/11/2021

The DC motor which can provide zero speed regulation at full load without any controller is
(A) Series
(B) Shunt
(C) Cumulative Compound
(D) Differential Compound

15/08/2021

Happy Independence Day

24/04/2021

The transistor Q1 has a current gain β1 = 99 and the transistor Q2 has a current gain β2 = 49.The current IB2 in microampere is _______.

24/04/2021

The diode used in the circuit has a fixed voltage drop of 0.6 V when forward biased. A signal vs is given to the ideal OpAmp as shown. When vs is at its positive peak, the output (vOA) of the OpAmp in volts is _______.

11/04/2021

In a variable frequency induction motor drive, the voltage must be varied ___________ to the frequency.

11/04/2021

A six pole 50 Hz induction motor rotating at 1400 rpm is in __________ mode.

06/04/2021

New Batch of First Semester Electrical/Mechanical/Civil/Electronics/Computer Science Engineering at TECHNO ACADEMY will Start From 09/04/2021.

Class will Run in Online/Offline mode.

Regards

Techno Academy

Techno Academy
Karjain, Bypass Rd, opposite Govt. Polytechnic College, Mansapur, Bihar 852215
https://maps.app.goo.gl/G7fsDVSsHTUpV8kT6

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Contact:- 8210755578/7717751816

★★★★★ · Education center · Karjain, Bypass Rd, opposite Govt. Polytechnic College

28/03/2021

In a variable frequency induction motor drive, the voltage must be varied ___________ to the frequency.

28/03/2021

A six pole 50 Hz induction motor rotating at 1400 rpm is in __________ mode.

27/03/2021

A DC shunt motor runs at 600 rpm from a 240 V supply. Its armature has a resistance of 0.5 ohm and draws 30 amp. If an external resistance of 2.5 ohm is connected in series with the armature while there is no change in armature or field current, the new speed is
(a) 400 rpm (b) 800 rpm (c) 600 rpm (d) 200 rpm

15/03/2021

A DC shunt motor runs at 600 rpm from a 240 V supply. Its armature has a resistance of 0.5 ohm and draws 30 amp. If an external resistance of 2.5 ohm is connected in series with the armature while there is no change in armature or field current, the new speed is
(a) 400 rpm (b) 800 rpm (c) 600 rpm (d) 200 rpm