SSC JE 2019-20: Technical Quiz 1

Two electrolytic cells containing solutions of silver and gold salts respectively are connected in series to a d.c. supply. It is found that by the time 8.3 g of silver (atomic weight 108, valency 1) is deposited on one cell, 5.05 g of gold (atomic weight 197, valency 3) is deposited on another. The amount of charge that has flown during this time is

In squirrel cage induction, the rotor slots are slight skew in order to reduce

 ____ should be provided as the working space around the main switchboard according to IE rule 51.

Two wires of the same cross-sectional area have equal length. The resistance of first wire is three times the resistance of the other. What will be the resistivity (in Ohms-m) of the wire that has low value of resistance, if the resistivity of the other wire is 3 Ohms-m?

The high voltage line which feeds the substations, distribution transformers represent

The welding electric circuit is _______

Determine the bandwidth (in Hz) of a sine wave that is reproduced by a CRO having a rise time of 70 msec.