There are a bulb and a battery, and a person connects them using a plastic tube. The bulb doesn’t glow. Instead, when he uses a copper wire to connect them, the bulb glows. Which of the following is true? i) Copper allows current to flow easily ii) Plastic tube doesn’t allow the current to flow easily iii) Plastic tube absorbs the current. iv) Copper wire generates extra current

There are a bulb and a battery, and a person connects them using a pla

1.	There are a bulb and a battery, and a person connects them using a plastic tube. The bulb doesn’t glow. Instead, when he uses a copper wire to connect them, the bulb glows. Which of the following is true? i) Copper allows current to flow easily ii) Plastic tube doesn’t allow the current to flow easily iii) Plastic tube absorbs the current. iv) Copper wire generates extra current
Answer» There are a bulb and a battery, and a person connects them using a plastic tube. The bulb doesn’t glow. Instead, when he uses a copper wire to connect them, the bulb glows. Which of the following is true? i) Copper allows current to flow easily ii) Plastic tube doesn’t allow the current to flow easily iii) Plastic tube absorbs the current. iv) Copper wire generates extra current