Question is ⇒ A single turn loop is situated in air, with a uniform magnetic field normal to its plane. The area of the loop is 5 m2 and the rate of change of flux density is 2 Wb/m2/s. What is the emf appearing at the terminals of the loop?, Options are ⇒ (A) -5 V, (B) -2 V, (C) -0.4 V, (D) 0 V, (E) , Leave your comments or Download question paper.

Question is ⇒ A single turn loop is situated in air, with a uniform magnetic field normal to its plane. The area of the loop is 5 m2 and the rate of change of flux density is 2 Wb/m2/s. What is the emf appearing at the terminals of the loop?, Options are ⇒ (A) -5 V, (B) -2 V, (C) -0.4 V, (D) 0 V, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A single turn loop is situated in air, with a uniform magnetic field normal to its plane. The area of the loop is 5 m² and the rate of change of flux density is 2 Wb/m²/s. What is the emf appearing at the terminals of the loop?
A.	-5 V [Correct Answer]
B.	-2 V [Wrong Answer]
C.	-0.4 V [Wrong Answer]
D.	0 V [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ When a p-n junction is reverse biased
holes and electrons move away from the junction
holes and electrons move towards the junction
holes move towards junction and electrons move away from junction
holes move away from junction and electrons move towards junction

⇒

Assertion (A): The s domain impedance of a series R-L circuit is R + sL irrespective of initial conditions.

Reason (R): Complex frequency s = σ + jω.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ Characteristic wave impedance is
ε/μ
(ε/μ)^1/2
E_x/H_y
H_y/E_x

⇒ Which of the following semiconductor has the highest melting point?
Germanium
Silicon
Gallium arsenide
Lead sulphide

⇒ Voltage V_L in the circuit when V_s < 0 where D is an ideal diode. (Take R₁ = R_s = R_L = 1 &o
0
1
1.5
cannot find

⇒ If sampling is done at the rate of 10 kHz. The bandwidth required is
35 kHz
70 kHz
10 kHz
1280 kHz

⇒ An amplifier with loop gain Aβ will be more stable for value of Aβ as
0.95
0.7
1.2
1.5

⇒ The resonance frequency is
ω_r = a
ω_r = b
ω_r = k
ω_r = ba

⇒ In a JFET
drain current is very nearly equal to source current
drain current is much less than source current
drain current may be equal to or less than source current
drain current may be even more than source current

⇒ A half wave diode rectifier has a capacitance input filter. If input voltage is V_m sin ωt, PIV is
V_m
2 V_m
3 V_m
4 V_m

⇒ Which is correct for a transfer function?
The poles and zero must be complex
If the poles and zeros are complex or imaginary, they must be conjugate
If the poles and zeros are complex they must be simple
If a zero is imaginary, it must be simple

⇒ A variable reluctance tachometer has 180 teeth on rotor. The speed of shaft on which it is mounted in 1200 rpm. The frequency of output pulses is
1800 per second
3600 per second
4800 per second
5600 per second

⇒ In VHS format the width of tape is
2"
1"
1/2"
1/4"

⇒ In a series RLC circuit the dB level of currents at half power frequencies as compared to current at resonance is
3
-3
0.5
-0.5

⇒ The logic function f(A B, C) = Σm(0, 2, 4, 5, 6) represente
i
i, ii
i, iii
i, ii, iii

⇒ RTD is generally suitable for temperature up to
about 800°C
about 1500°C
about 200°C
about 50°C

⇒ If the memory chip size is 256 x 1 bits, then the number of chips required to make up 1 kB (1024) bytes of memory is
32
24
12
8

⇒ In order to protect a MOSFET against damage from any stray voltage at the gate
grounding rings are provided
terminals are shorted
source terminal is earthed during transit
none of these

⇒ Sound waves are electromagnetic waves.
TRUE
FALSE

⇒ Consider the following strings

A
Z2
X3Y
P12R
BX

Which of the above strings are valid in Pascal?
All
1, 2, 3
1, 2, 4, 5
1, 2, 3, 5

⇒ The number of tightly bound electrons in silicon atom are
14
10
6
4

⇒ Addition of a small amount of antimony to germanium will result in
formation of P-type semiconductor
more free electrons than holes in the semiconductor
antimony concentrating on the edges of the crystals
increased resistance

⇒ If X(z) = 2az^-1/(1 - az^-1)³ and |a| < |z|, then the initial value x₀ is
0
1
∞
2

⇒ A (75 - J50) ohm load is connected to a coaxial of Z₀ = 75 ohm at 10 GHz. The best method of matching is to connect
an inductance at load
a short circuited stub at load
a short circuited stub at specific distance from load
a capacitance at specific distance from load

⇒ The resistivity of intrinsic semiconductor material is about
10⁵ ohm-m
10³ ohm-m
100 ohm-m
1 ohm-m

⇒ Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be
0.08
0.04
0.001
0.0001

⇒ In the switching circuit, switches A, B have value 0 for OFF, 1 for ON and the output Y has 0 volts for 1 volts, then the expression for
AB
A + B
A + B
AB

⇒ State space analysis is applicable to
time invariant systems
time varying systems
both time invariant and time varying systems
none of the above

⇒ In a JK flip flop output Q_n = 1 and it does not change when clock pulse is applied. The possible combination of J_n and K_n is (X denotes don't care)
X and 0
X and 1
0 and X
1 and X

⇒ The main use of JFET with a
frequency mixer
source follower
voltage doubler
trigger