Electricity Tes...

Identify the changes in a circuit on adding a light bulb in parallel to the actual resistance of the circuit. It will:

Which of the following is an insulator?

Consider the direction of the current AND flow of electrons from the section $$A$$ to $$B$$ that goes through the resistor in the circuit pictured.

Insulators

If three resistors 2 ohm, 3 ohm and 4 ohm are connected in series, then effective resistance in a circuit will be _______ ohm.

Your are given three equal resistances. In how many combinations can they be arranged?

Which of the following component is connected in parallel in the circuit?

Which of the following is not a correct statement with respect to the given circuit?

Taking the resistivity of platinoid as $$3.3 \times 10^{-7} \Omega m$$, find the resistance of $$7.0 m$$ of platinoid wire of average diameter $$0.14 cm$$. 

Materials that allow electrons to flow through them are known as