Question is ⇒ Measurement of Hall coefficient enables the determination of, Options are ⇒ (A) transportation factor decreases and a increases, (B) transportation factor increases and a increases, (C) transportation factor increases and a decreases, (D) transportation factor decreases and a decreases, (E) , Leave your comments or Download question paper.

Question is ⇒ Measurement of Hall coefficient enables the determination of, Options are ⇒ (A) transportation factor decreases and a increases, (B) transportation factor increases and a increases, (C) transportation factor increases and a decreases, (D) transportation factor decreases and a decreases, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Measurement of Hall coefficient enables the determination of
A.	transportation factor decreases and a increases [Wrong Answer]
B.	transportation factor increases and a increases [Wrong Answer]
C.	transportation factor increases and a decreases [Wrong Answer]
D.	transportation factor decreases and a decreases [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D 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 :

⇒ For ideal performance, a filter should be terminated in characteristic impedance.
TRUE
FALSE

⇒ At absolute zero temperature a semiconductor behaves like
an insulator
a super conductor
a good conductor
a variable resistor

⇒ For addition and subtraction operations, phasors
must be represented in polar form
must be represented in rectangular form
may be represented in any form
none of the above

⇒ In figure we need an ac ground. The proper value of
1000 μF
100 μF
10 μF
1 μF

⇒ A 4 bit ripple counter uses flip flops with propagation delay of 50 ns each. The maximum clock frequency which can be used is
5 MHz
10 MHz
20 MHz
25 MHz

⇒ What is the purpose of a start in RS232 serial communication protocol?
To synchronise receiver for receiving every byte
To synchronise receiver for receiving a sequence of byte
Acts as a parity bit
To synchronise receiver for receiving the last byte

⇒ Distilled water at 25°C is characterized by σ = 1.7 x 10^-4 mho/m and ε = 78 ε₀ at a frequency of 3 GHz. Its loss tangent is (ε = 10^-9/36p F/m)
1.3 x 10^-5
1.3 x 10^-3
1.7 x 10^-4/78
1.7 x l0^-4/78ε₀

⇒ A sinusoidal current having peak value of 7.07 A is superimposed on dc of 5A. If a hot-wire ammeter is used to measure the combined current in the circuit, it will indicate __________ ampere.
7.07
10
12.07
2.07

⇒ In drawing phasor diagram
rms values are used
peak values are used
either rms or peak values are used
either rms or peak or averages values are used

⇒ In the circuit of fi
V_a would always lag V_b
V_a would always lead V_b
V_a and V_b would always be in phase
V_a may lag or lead V_b

⇒ In a single phase power factor meter the phase difference between currents in the two pressure coils is
exactly 0°
approximate 0°
exactly 90°
approximate 90°

⇒ Satellite communication systems use the frequency band
10 to 20 MHz
50 to 70 MHz
3 to 6 GHz
100 to 120 GHz

⇒ In tape recorder erase head is active during recording.
TRUE
FALSE

⇒ Which coupling produces the minimum interference with frequency response?
RC coupling
Transformer coupling
Direct coupling
Impedance coupling

⇒

Assertion (A): A capacitor with imperfect dielectric can be represented by a capacitance in parallel with resistance.

Reason (R): For imperfect dielectrics, dielectric constant has real and imaginary parts.

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

⇒

Assertion (A): Linear ICs include audio amplifier, wideband amplifier, RF amplifier and IF amplifier

Reason (R): The error voltage in a feedback circuit is very small

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

⇒ In order to achieve good stabilization in potential divider method current I₁ through R₁ and R₂ should be
I₁ > 20 I_B
I₁ > 15 I_B
I₁ < 5 I_B
I₁ > 10 I_B

⇒ The phase angle corresponding to λ/4 in a standing-wave pattern is
30°
90°
135°
180°

⇒ How many interrupts are there in 8085 microprocessor?
4
5
6
8

⇒ Fastest memory cell
bubble memory
core memory
semiconductor memory
superconductor memory

⇒ The polarization phenomena in Faraday rotation
is non-reciprocal
exists along perpendicular direction
exists along the axis of array
does not exist

⇒ The 'h' parameters of the circuit shown in the figure are h_ib = 25 Ω, h_fb = 0.999 and h_ob = 10^-6Ω The Voltage gai
0.99
1.98
2
4

⇒ A crowbar circuit is generally needed for protection under fault conditions.
TRUE
FALSE

⇒ The circuit given below
Band stop filter
Band pass filter
Oscillator circuit
All pass filter

⇒ Eddy current loss is
proportional to frequency
independent of frequency
proportional to (frequency)²
proportional to (frequency)³

⇒ In a modified series inverter with two inductors and two capacitors, the load current
has 2 parallel paths
has only one parallel path
can have three parallel paths
has four parallel paths

⇒

Assertion (A): Different symbols are used for different gates

Reason (R): IEEE symbols are the same as traditional symbols for gates.

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

⇒ Frequency frogging is used in a carrier system to
conserve frequencies
reduce distortion
reduce cross talk
none of the above

⇒ Temperature is analogous to
voltage
flux
charge
none of the above

⇒ In an n channel MOSFET, the substrate is connected
to negative terminal of battery
to positive terminal of battery
to either positive or negative terminal of battery
none of the above