TET Model QP

In In current electricity, a positive charge refers to

• presence of electron

• presence of proton

• absence of electron

• absence of proton

Answer explanation

the vacant place of the electron is the proton

2.       Electroplating is an example for

• heating effect

• chemical effect

• magnetic effect

• magnetoelectric effect

The direction opposite to the flow of electrons is         current

• direct current

• alternating current

• conventional current

• less

A current of 2A passing through the conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is  

• 0.5  Ω

• 2  Ω

• 4 Ω

• 20  Ω

Answer explanation

H = I²RT

R = H / I² T

The resistances R₁ and R₂ are connected is parallel. Their equivalent resistance is -----

• R₁ + R₂

• R₁ R₂/ R₁ + R₂

• R₁ + R₂ /R₁R₂

one Volt is =

• 1 Joule / 1 coulomb

• 1 coulomb / 1 joule

• 1 ampere / 1 second

• 1 Newton/ 1 Coulomb

In India the frequency of alternating current is-----

• 220 Hz

• 50 Hz

• 110 Hz

• 100 Hz

The negative charge will move from      to         potential

• Higher to lower

• lower to higher

The device used to convert DC to AC is called

• amplifier

• rectifier

• inverter

• simplifier

1.       The process of conduction of electric current through solution is called                .

(a)