The application of magnetic field to superconducting material increases transiti

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Question
The application of magnetic field to superconducting material
Options
A. increases transition temperature
B. decreases transition temperature
C. has no effect on transition temperature
D. may increase or decrease the transition temperature

Correct Answer

decreases transition temperature

More questions

2. The load impedance Z_L of a CE amplifier has R and L in series. The phase difference between output and input will be
Options
A. 180�
B. 0
C. more than 90� but less than 180�
D. more than 180� but less than 270�

3. A pole zero pattern of a certain filter is shown in figure. This filter must be
Options
A. LPF
B. BFP
C. HPF
D. APF

4. To evaluate X = (A + B + 1.2) * (A + B - C) the sequence of operation is
Options
A. + + + - * =
B. * + + + - =
C. + + - * + =
D. - + + + * =

5. A digital voltmeter has a read out range from 0 to 999 counts. If the full scale reading is 9.999 V, the resolution is
Options
A. 1 V
B. 0.01 V
C. 1 mV
D. 1 ?V

6. The 'h' parameters of the circuit shown in the figure are h_ib = 25 ?, h_fb = 0.999 and h_ob = 10^-6? The Voltage gain is
Options
A. 0.99
B. 1.98
C. 2.0
D. 4

7. Two semiconverters are connected in series to form a single phase series converter. The input v = V_m sin ?t and a₁ = a₂ are the firing angles of the two converters. If a₁ = a₂ = 0, the dc output voltage is
Options
A.
B.
C.
D.

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