MEDIUM
Earn 100

In an open circuit, the electric component that remains open is
(a)bulb
(b)connecting wire
(c)cell
(d)switch

68.18% studentsanswered this correctly
Important Questions on Electric Current and Its Effects
EASY
Which of the units given below is the SI unit of resistance?

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In the given circuit diagram, identify the objects marked as .

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EASY
Observe the correlation in the first pair and complete the second pair:
:: ________

MEDIUM
The diagram below shows a dual control switch circuit connected to a bulb. Copy the diagram and complete it so that the bulb is switched ON.

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EASY
Match the following.
Column A | Column B |
. Battery | a. circuit |
. Bell | b. safety |
. Geyser | c. cells |
. Switch | d. heating coil |
. Fuse | e. electromagnetic |

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Match the following:
Column A | Column B | ||
Tungsten | A | High resistance | |
Nichrome wire | B | Bulb | |
Soft iron | C | Low resistance | |
Mica | D | Electric iron | |
Copper | E | Electromagnet |

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