An ideal value of stability factor is________________?
An ideal value of stability factor is________________?
A. 100
B. 200
C. More than 200
D. 1
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A.C can not be used for_______________?
A.C can not be used for_______________?A. producing heat
B. producing light
C. Magnetizing iron
D. Producing magnetic fieldIf 1 A current flows in a circuit, the number of electrons flowing through this circuit is
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is
A. 0.625 × 1019
B. 1.6 × 1019
C. 1.6 × 10-19
D. 0.625 × 10-19The charge of one electron is 1.6 × 10 – 19 coulomb. Again 1 A current means transferring of 1 coulomb charge per one second.
In Boolean algebra, the bar sign (-) indicates__________________?
In Boolean algebra, the bar sign (-) indicates__________________?A. OR operation
B. AND operation
C. NOT operation
D. None of the aboveThe maximum collector efficiency of class B operation is ________________?
The maximum collector efficiency of class B operation is ________________?A. 50%
B. 90%
C. 5%
D. 5%A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?
A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?A. 5.14 MHz
B. 514 kHz
C. 5.03 MHz
D. 503 kHzAt absolute temperature, an intrinsic semiconductor has________________?
At absolute temperature, an intrinsic semiconductor has________________?A. A few free electrons
B. Many holes
C. Many free electrons
D. No holes or free electrons