_______ is used to measure the potential difference between two points in any circuit.

• An ammeter is used to measure the current flowing in a circuit.
• An odometer is used for measuring the distance traveled by a vehicle.

The term voltage was introduced by an Italian physicist named

• Alessandro Volta also invented a chemical battery.

When the voltage increases, the flow of charges

The symbol of voltage is

• E is the symbol used for electric field.

Voltmeter is connected in ____ to measure the voltage of any circuit.

• It is connected in parallel so that it does not draw any current itself (due to its high resistance) and does not affect the net resistance of the circuit.

They are non-conductors of electricity in solid, molten or aqueous state.

Which of the following is NOT TRUE about covalent compounds?

They are conductors of electricity in solid, molten or aqueous state.

They have higher enthalpies of fusion and vaporization than molecular compounds.

Which of the following is true about lattice energy?
(i) Lattice energy ∝ charge
(ii) Lattice energy ∝ 1/distance
(iii) Lattice energy ∝ hydration energy

Ionic compounds conduct electricity when dissolved in water. Which statement below best explains the property?

What properties does an ionic compound have?

Which of the following is a property of an ionic compound?

Which of the following compounds are the characteristics of ionic compounds?

When a covalent bond forms _______________ are shared.