Advertisements
Advertisements
प्रश्न
Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?
पर्याय
2.5 mA
25 mA
250 mA
2500 mA
उत्तर
250 mA
APPEARS IN
संबंधित प्रश्न
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 0.12 Ω. How much current would flow through the 12 Ω resistor?
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
For a heater rated at 4 kW and 220 V, calculate:
(a) the current,
(b) the resistance of the heater,
(c) the energy consumed in 2 hours, and
(d) the cost if 1 kWh is priced at Rs 4.60.
Name two effects produced by electric current.
How should the electric lamps in a building be connected?
What is the speed of electric current?
In current electricity, a positive charge refers to ______.
Name any two devices, which are working on the heating effect of the electric current.
1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?
