The return circuit for tramcars is through_______________?

A. neutral wire
B. rails
C. cables
D. common earthing

Related Mcqs:

Overhead lines for power supply to tramcars are at a minimum height of______________?
A. 3 m
B. 6 m
C. 10 m
D. 15 m
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 × 10-¹⁹
The inputs of a NAND gate are connected together. The resulting circuit is _______________?
A. OR gate
B. AND gate
C. NOT gate
D. None of the above
In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?
A. Short
B. Open
C. Partially short
D. None of the above
A CE amplifier is also called _______________ circuit?
A. Grounded emitter
B. Grounded base
C. Grounded collector
D. None of the above
With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?
A. 200 mA
B. 400 mA
C. 600 mA
D. 800 mA
In a series–parallel circuit, individual component power dissipation are calculated using_____________?
A. individual component parameters
B. a percent of the total power depending on resistor ratios
C. total current squared multiplied by the resistor values
D. a percent of the voltage division ratio squared
An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?
A. 723 Hz
B. 7,234 Hz
C. 362 Hz
D. 3,617 Hz
An RL high-pass filter consists of a 470 Ω resistor and a 600 mH coil. The output is taken across the coil. The circuit’s critical frequency is___________?
A. 125 Hz
B. 1,250 Hz
C. 564 Hz
D. 5,644 Hz
An RC low-pass filter consists of a 120 Ω resistor and a 0.002 µF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is___________?
A. 333 kHz
B. 633 kHz
C. 331 kHz
D. 60 kHz