Electric Circuits Objective Questions – Set 12

The current flow through electrolyte is due to the movement of

The internal resistance of a dry cell is of the order of

Highest current density is usually recommended for

When water is added to sulphuric acid

Which battery is used in aeroplanes?

Which of following is invariably seen in an electroplating plant?

Cells are connected in parallel to

A constant voltage source has

The greater of internal resistance of a cell

One ampere hour charge is equivalent to

Cells are connected in series in order to

Galvanizing is the coating of

When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

Aluminium is produced from bauxite by

Which law(s) find application in electrolysis?

The current in a chemical cell is a movement of

Common impurity in battery electrolyte is

Cell short circuit results in

A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

Two battery having unequal emf

Silver coating is provided for

The indication of the state of charge of a battery is best given by

Coating generally recommended for hard surfacing is

For cadium plating electrolyte used is

Current efficiency in electroplating is usually

Battery charging equipment is generally installed

Electrolyte for silver plating is

Electro-chemical equivalent is usually expressed in

Electrics supply for electroplating should be

When the battery is being charged, the terminal voltage decreases with