Why is a voltmeter connected in parallel with a circuit?

Why is an ammeter connected in a series?

How is voltmeter connected in the circuit to measure the potential difference between two points?

Two resistances 99 ohms and 1 ohm are connected in parallel. Find the current in each when the main current in the circuit is 10 ampere.

A capacitor of 20 µF and charged to 500 V is connected in parallel with another capacitor of 10µF charged to 200V. Find the common potential.

By mistake, a voltmeter is connected in series and an ammeter In parallel with a resistance in a circuit, What will happen to the instrument?

n identical capacitors are connected in parallel. Find their equivalent capacitance.