• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electromagnetic Field Theory

Electromagnetic Field Theory
A square corner reflector is used in

Radio astronomy
Tv broadcast
Point to point communication
All of these

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

 64 A / s.
 32 A / s.
 4 A / s.
 16 A / s.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The main disadvantage of the two-hole directional coupler is

Narrow bandwidth
Poor directivity
High standing wave ratio
Low directional coupling

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The minimum height of outer atmosphere is

400 km
150 km
200 km
100 km

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 - 4 C/m3.
 0 C/m3.
 - 8 C/m3.
 - 2 C/m3.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor.

 4.56 A.
 2.28 A.
 18.08 A.
 9.04 A.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electromagnetic Field Theory

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑