Question is ⇒ A wire is carrying current I. The field intensity H at a distance r from the wire, Options are ⇒ (A) is directed towards wire, (B) is directed away from wire, (C) is tangential every where to a circle of radius r, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ A wire is carrying current I. The field intensity H at a distance r from the wire, Options are ⇒ (A) is directed towards wire, (B) is directed away from wire, (C) is tangential every where to a circle of radius r, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A wire is carrying current I. The field intensity H at a distance r from the wire
A.	is directed towards wire [Wrong Answer]
B.	is directed away from wire [Wrong Answer]
C.	is tangential every where to a circle of radius r [Correct Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ The increase in intensity of trace in a CRO causes a change in
beam current
frequency of time base
gain of Y amplifier
accelerating voltage

⇒ For the Infix expression A + B - C + D the Postfix notation is
AB + C - D +
+ AB - C + D
AB - C + D
None of the above

⇒ Which of the following measurements can be done using a counter?

Pulse duration
Interval between two pulses
Amplitude of the pulse
Rise time of a pulse

Select the correct answer from the codes given below:
1 and 2
2 and 3
1 and 4
2 and 4

⇒ PAM stands for
Pulse Analogue Modulation
Phase Analogue Modulation
Pulse Amplitude Modulation
Phase Amplitude Modulation

⇒ In a push pull circuit
each transistor conducts for 180°
each transistor conducts for more than 180° but less than 360°
each transistor conducts for less than 180°
the period of conduction of each transistor depends on circuit configuration

⇒ An op-amp is fed from a signal source through resistance R₁. If it is to work as sign changer, the feedback resistance R_f should be
equal to R₁
twice R₁
half R₁
either (b) or (c)

⇒ A transistor in CE mode is in saturation region. Then the collector is almost at
ground potential
a potential equal to V_CC
a potential equal to 0.5 V_CC
a potential equal to 2 V_CC

⇒ A full adder is to be implemented using half adders and OR gates. A 4 bit parallel adder without any initial carry requires
8 half adders and 4 OR gates
8 half adders and 3 OR gates
7 half adders and 3 OR gates
7 half adders and 4 OR gates

⇒ In a 3 phase semiconverter, the output voltage becomes discontinuous for
firing angle > 30°
firing angle > 60°
firing angle > 90°
firing angle > 120°

⇒ In a circuit of figure, V_s = 10 cos(ωt) power drawn by the 2Ω resistor is 4 watts. The power facto
0.3
0.4
0.6
none

⇒ A long specimen of P type semiconductor material
is + vely charged
is electrically neutral
has an electric field directed along its length
acts as a dipole

⇒

Match the following:

	List I		List II
A.	200 MHz	1.	SHF
B.	20 GHz	2.	UHF
C.	500 kHz	3.	VHF
D.	500 MHz	4.	MF

A-3, B-1, C-4, D-2
A-3, B-2, C-4, D-1
A-3, B-4, C-1, D-2
A-3, B-4, C-2, D-1

⇒ Almost all high level languages have provision for logical operations.
TRUE
FALSE

⇒ Short-circuited stubs are used, because open-circuited stubs are
liable to radiate
complex in nature
providing open-circuit environments
unable to provide work over large frequency range

⇒ Which of the following circuit cannot be used to demodulate SSB?
Phase discriminator
Produce detector
Balanced modulator
Beat frequency oscillator

⇒ In which mode of BJT operation are both junctions reverse biased?
Active
Saturation
Cut off
Reverse active

⇒

Assertion (A): Structures are useful in DBMS.

Reason (R): Structures are very large numbers of applications besides DBMS.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct

⇒ When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode
none of the numbers is changed to any other form
.4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed
.5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed
both the numbers are changed and their exponents are made equal to 6

⇒ In a resistor the current is i and the voltage is v. The rate of dissipation of heat at any time t is
vi
vit
vt
vit²

⇒ Each cell of a static Random Access memory contains
6 MOS transistor
4 MOS transistor, 2 capacitor
2 MOS transistor, 4 capacitor
1 MOS transistor and 1 capacitor

⇒ The deflection sensitivity of a CRO is generally expressed in
meter/V
cm/V
V/meter
V/cm

⇒ A line has Z₀ = 300 ∠ 0° Ω. If Z_L = 150 ∠ 0° Ω, reflection coefficient is
0.5
0.3333
-0.3333
-0.5

⇒ In terms of z parameters, the condition for the network to be passive is
z₁₁ = z₂₂
z₁₂ = z₂₁
z₁₁ = 0
z₂₂ = 0

⇒ A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The current amplification is
2.5
12.5
25
125

⇒ Which of the following is not correct?
P(A) = P(A) - 1
0 ≤ P ≤ 1
If A and B are mitual exclusive then P(A + B) = P(A) + P(B)
P(A) = 1 - P(A)

⇒ In a CE amplifier the ac emitter resistance
is zero
is high
is very high
may have any value

⇒

Assertion (A): Boolean expressions can be easily simplified using Karnaugh map.

Reason (R): Karnaugh map can be drawn for minterms as well as max terms.

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

⇒

Assertion (A): A decrease in temperature increases the reverse saturation current in a p-n diode.

Reason (R): When a diode is reverse biased surface leakage current flows.

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

⇒ In two wattmeter method of 3 phase power measurement, when does one wattmeter read negative
when power factor is less than 0.5 lagging
when power factor is greater than 0.5 lagging
when power factor is less than 0.5
when power factor is unity

⇒ Which inductor is linear?
Air cored
Cast iron cored
Sheet steel cored
Iron alloy cored