Formative Ch 11 & 12

Which letters of English alphabet will not show lateral inversion?

• I, O, U

• N, Z, X

• I, X, E

• A, E, I

To prevent electric shocks, the metallic electrical wires are covered with

• paper

• cotton

• aluminium

• plastic

A combination of cells is ________.

_________ formed due to reflection by mirrors

Light gets reflected when strikes a shiny surface.

• True

• False

Current flows only through a complete path.

• True

• False

How many terminals are there in a dry cell?

• Three

• Two

• Four

• One

Which of the following is a cold source of light?

• Firefly (Jugnu)

• Tube light

• The sun

• Electric bulb

Electric current can pass through a sheet of thermocol.

• True

• False

When a switch is off, the circuit becomes open.

• True

• False