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प्रश्न
True or False – If False give the correct answer
The representation of the electric current is A
पर्याय
True
False
उत्तर
False.
The representation of the electric current is I.
APPEARS IN
संबंधित प्रश्न
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
(a) With the help of a circuit diagram, obtain the relation for the equivalent resistance of two resistances connected in parallel.
(b) In the circuit diagram shown below, find:
(i) Total resistance.
(ii) Current shown by the ammeter A
Define the following:
Semiconductors
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 ).
Complete the following:
1 kWh = _________ J
State the condition when it is advantageous to connect cells in series.
Problems for practice:
If 3A current flows through a circuit, then convert the current in terms of a milliampere.
An ammeter is always placed in parallel with the circuit.
