A. main-line service
B. urban service
C. sub-urban service
D. all of the above
Related Mcqs:
- The coasting retardation is around_________________?
A. 0.16 km phps
B. 1.6 km phps
C. 16 km phps
D. 40 km phps - In an intrinsic semiconductor, the number of free electrons_____________?
A. Equals the number of holes
B. Is greater than the number of holes
C. Is less than the number of holes
D. None of the above - The random motion of holes and free electrons due to thermal agitation is called______________?
A. Diffusion
B. Pressure
C. Ionisation
D. None of the above - SI unit of the permittivity of free space is________________?
A. Nm2C2
B. N-1mC-2
C. NmC-1
D. N-1m-2C2 - If free space between the plates of a capacitor is replaced by a dielectric_____________?
A. The potential difference remains constant capacittance and energy stored increases
B. The potential difference remains constant capacittance decreases and energy increases
C. The potential difference decreases but both capacitance and energy increase
D. both potential difference and capacitance decrease but energy increases - Transistor biasing is generally provided by a_______________?
A. Biasing circuit
B. Bias battery
C. Diode
D. None of the above - ________________ coupling is generally employed in power amplifiers?
A. Transformer
B. RC
C. direct
D. Impedance - Power amplifiers generally use transformer coupling because transformer permits______________?
A. Cooling of the circuit
B. Impedance matching
C. Distortionless output
D. Good frequency response - In transistor amplifiers, we generally use______________ capacitors?
A. Electrolytic
B. Mica
C. Paper
D. Air - Transformer coupling is generally employed when load resistance is______________?
A. Large
B. Very large
C. Small
D. None of the above
