The magnetic field around a current carrying coil

1.	The magnetic field around a current carrying coil
A.	Lasts for three hours
B.	Lasts as long as current flows through it
C.	Less, more
D.	Is permanent.
Answer» C. Less, more

Discussion

No Comment Found

Related MCQs

DIRECTIONS: On the basis of following diagram / picture answer the questions given below: In the circuit below, which switch should be left open and which switch should be left closed so that only bulb Y lights up? Switch A Switch B Switch C Switch D
DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: The emf of a battery equal the potential difference between its terminals when the terminals are not connected externally. Statement 2: Terminals potential difference can be greater than emf of cell. Statement 3: When current is flowing in circuit then terminal voltage is less than emf of cell.
Marie conducted an experiment to find out if the number of bulbs arranged in series would affect the brightness of the bulbs. Which of the following variables should be kept the same? A. type of bulbs B. Number of wires C. types of batteries D. Number of bulbs
The proper representation of series combination of cells obtaining maximum potential is
If you bring a magnetic compass near a conducting wire through which current is flowing, what will you observe?
Which of the following is not a circuit element?
The magnetic field around a current carrying coil
DIRECTIONS: On the basis of, following diagram / picture answer the questions given below: Which one is not a source of electric current? A. B. C. D.
DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Fuse is a safety device which prevents damages to electrical circuits and possible fires. Reason (R): The fuse wire blows off and breaks the circuit and prevents fire and damage.
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Some common electrical components can be represented by symbols. It is much easier to draw a circuit diagram using symbols. A circuit diagram of an electrical circuit is shown in the figure below. Look at the diagram and answer the questions. Which part of the circuit diagram represents a bulb?

The magnetic field around a current carrying coil

Discussion

No Comment Found

Related MCQs

Reply to Comment