Question 1:

Who is credited with the invention of the modern battery?

Explanation: The modern battery is credited to Alessandro Volta.

Question 2:

Which of the following is the unit of measurement for electric potential difference?

Explanation: The unit of measurement for electric potential difference is the volt.

Question 3:

Which type of battery is commonly used in portable electronic devices like smartphones and laptops?

Explanation: Lithium-ion batteries are commonly used in portable electronic devices like smartphones and laptops.

Question 4:

What chemical reaction occurs in a typical alkaline battery?

Explanation: A typical alkaline battery undergoes a zinc-manganese dioxide reaction.

Question 5:

What is the function of the electrolyte in a battery?

Explanation: The electrolyte in a battery facilitates the flow of ions between electrodes.