EE 3rd chapter

Which of the following is an example of DC source?

• generator
• transfomer
• battery
• inverter

In a DC source the current flows in ________.

• one direction only
• both directions
• alternate directions
• any direction

Which of the following can be a source of supply in dc power supplies?

• Battery
• Dry cell
• Solar cell
• All of the mentioned

On what type of source does an incandescent bulb glow?

• DC only
• Both DC and AC
• AC only
• battery only

What type of energy conversion takes place in a cell?

• Chemical to electrical
• mechanical to electrical
• potential to electrical
• electrical to chemical

What type of cell gives power by an irreversible chemical reaction?

• reserve cell
• solar cell
• primary cell
• secondary cell

Battery container should be acid resistant. What material is used for making battery containers?

• Glass
• Plastic
• Wood
• All of the mentioned

What type of cell gives power by reversible chemical reaction?

• reserve cell
• solar cell
• primary cell
• secondary cell

To prevent local action in battery, which of the following is used in electrolytes?

• pump water
• distilled water
• tap water
• mineral water