SSC JE 2019-20 Technical Quiz 31

A lead-acid cell is charged at the rate of 18 A for 10 hours at an average voltage of 2.26 V. It is discharged in the same time at the rate of 17.2 A ; the average voltage during discharge being 1.98 V. What is ampere-hour efficiency?

The mass of an element deposited or liberated at an electrode during electrolysis is…………the quantity of electricity passed through the electrolyte.

In a synchronous motor, the negative phase sequence exists when the motor is

A generating voltmeter uses ____.

If a live wire comes in contact with metal casing, excess current moves to______.

The lens of the eyes focuses an image on the

According to second law of illumination, the illumination at any point on an inclined surface is

What is the formula to calculate the number of poles required in LT line distribution?

What is the empirical formula employed for the determination of spacing of conductors in case of aluminium conductors?