Question 23
A 50V D.C. motor has a coil of 0.1a At 30 rev.min-1 the current flowing is 5.0A. When the current flowing is less than 5.0A, the number of rev/min is ___.
Objective
Question details
- Exam body
- NDA
- Subject
- Physics
- Year
- 2013/2014
- Question no.
- #23
- Type
- Objective
More from this paper
- Q18In Fig. l the potential at x due to the charges at + Q and -Q is
- Q20In Fig. 3(i) the time constant is 4s. The time constant in Fig.3(ii) is
- Q21An electrical heater supplies 320J in 1 minute to a 4Ω resistor. The steady…
- Q25When you sit in front of an open fire, you are warmed by ___.
- Q26Which of the following equations correctly relates a temperature F in degrees…
- Q27A 2m uniform conductor with resistivity P = 2x 10 -1 m conducts a current of 0.1…