Embibe Experts Solutions for Chapter: Current Electricity, Exercise 1: NDA & NA EE 2019 Paper 1 General Ability Test

Which of the following statement is not correct?

In an incandescent electric bulb, the filament of the bulb is made up of which metal?

Two equal resistors $R$ are connected in parallel, and a battery of $12 \mathrm{V}$ is connected across this combination. A dc current of $100 \mathrm{mA}$ flows through the circuit as shown below:

The value of $R$ is

A metallic wire having resistance of $20 \mathrm{\Omega }$ is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to

When the short circuit condition occurs, the current in the circuit

Consider the following part of an electric circuit.

The total electrical resistance in the given part of the electric circuit is

Water is heated with a coil of resistance $R$ connected to domestic supply. The rise of temperature of water will depend on

1. supply voltage

2. current passing through the coil

3. time for which voltage is supplied Select the correct answer using the codes given below.

A fuse wire must be___.