Advertisements
Advertisements
प्रश्न
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
पर्याय
field magnetsplit rings
split rings
slip rings
brushes
Advertisements
उत्तर
The part of the AC generator that passes the current from the armature coil to the external circuit is brushes.
APPEARS IN
संबंधित प्रश्न
State two ways in the which the current alternating current and direct current?
Draw the labelled diagram of an A.C. generator. With the help of this diagram, explain the construction and working of an A.C. generator.
State whether the following statement are true of false:
A wire with a green insulation is usually the live wire.
The current induced in a closed circuit only if there is ______.
Draw a labelled diagram of a simple a.c. generator.
State one advantage of using a.c. over d.c.
Explain the difference:
AC generator and DC generator.
Observe the figure and answer the following questions.
a) Identify the machine shown in figure.
b) Write a use of this machine.
c) How transformation of energy takes place in this machine.
The given figures 1 to 3 show the working of a simple A.C. generator. Study the diagrams and answers of the following questions.
(i) State and explain the principle underlying the working of a simple generator.
(ii) Where is the loop of wire placed?
(iii) What happens when the loop is rotated?
(iv) Indicate the direction of the current flow through the wire for the first half of the turn (in first figure). Name and state the rule used in finding the direction of the current.
(v) Indicate the direction of the current for the case shown in second figure.
(vi) Indicate the direction of current in the outer circuit (i.e., electric bulb) in first and third figure.
(vii) What type of current is shown in the above diagrams? Explain.
To convert an AC generator into DC generator ____________.
