To measure a resistance with the help of a potentiometer it is
A). necessary to standardise the potentiometer
B). not necessary to standardise the potentiometer
C). necessary to use a volt ratio box in conjunction with the potentiometer
D). none of the above
not necessary to standardise the potentiometer
1. The most widely used rectifier is ___________
3. Which D.C. motor has got maximum self loading property?
4. When a step-input is given to an OP-amp integrator, the output will be
5. Quartz crystal is most commonly used in crystal oscillators because ___________
6. Inductance affects the direct current flow
7. In a LVDT, the two secondary voltages
9. Part of the transformer which is most subject to damage from overheating is
10. The d.c. resistance of a crystal diode is ___________ its a.c. resistance