Advertisements
Advertisements
प्रश्न
Explain, why the potential difference across the terminals of a cell is more when the cell is not in use than it is when the cell is being used.
Advertisements
उत्तर
The reason is that when the cell is being used, there is a drop in potential across the internal resistance of the cell.
संबंधित प्रश्न
What is an Ammeter? How is It Connected in a Circuit? Draw a Diagram to Illustrate Your Answer.
If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A
Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:
(b) for lighting inside the rooms of the hotel?
Name two effects produced by electric current.
The rating of a fuse connected in the lighting circuit is ______.
Fig . shows the core of a transformer and i ts input and output connections
State the material used for the core and describe th e structure of the core.
(a) Use the values given in the diagram to calculate the turns ratio for the transformer and connections, labeling all parts of the diagram .
(b) If a current of 2 A is taken from th e output, calculate th e current in the input circuit (Assume the transformer to be ideal ).
