Explain why the torque of a DC motor is higher when it is starting than when it is running at full speed.

What will be an ideal response?


CEMF is low, allowing higher current to create a stronger magnetic field.

Trades & Technology

You might also like to view...

The most commonly used conductor tubes have a ____ angle.

A. 15° B. 30° C. 45° D. 60°

Trades & Technology

All of the following statements are true EXCEPT:

A. gas shocks were invented to control aeration, cavitation, and foaming of the hydraulic fluid. B. pressurizing the oil column in the shock absorber keeps the bubbles in the solution. C. some gas shocks have a pressurized gas-filled cell. D. twin-tube gas shocks are pressurized with nitrogen gas at 30-90 psi, depending on the manufacturer and the damping force desired.

Trades & Technology

Find I and the power absorbed by each element in the network of Fig. 1.30.

Trades & Technology

Which one of the following PLC 5 counter statements is NOT true?

A) Counters are virtual software devices, so the number of counters and the total count value is only limited by PLC memory. B) File, C5, is used for all counters, and File ID numbers are unique. C) 1000 counters are available in file C5. D) Additional counters are available in the user defined file area.

Trades & Technology