Advertisements
Advertisements
प्रश्न
How many milliamperes as there in 1 ampere?
1 ampere = 1000 milliamperes =`10^3` milliamperes
Advertisements
उत्तर
1 ampere = 1000 milliamperes =`10^3` milliamperes
APPEARS IN
संबंधित प्रश्न
Fill in the folloing blank with suitable words:
A current is a flow of ............... .For this to happen there must be a ............... circuit.
One coulomb of charge flows through any cross-section of a conductor in 1 second. What is the current flowing through the conductor?
In the circuit diagram given below five resistances of 10 Ω, 40 Ω, 30 Ω, 20 Ω, and 60 Ω are connected as shown to a 12 V battery.
Calculate:
(a) total resistance in the circuit.
(b) total current flowing in the circuit.
Calculate the effective resistance between the points A and B in the network shown below in Figure 8.45
What is international convention of colour coding in a cable?
Define the following:
Super conductors
In the circuit shown in fig. 6, find the reading of the ammeter A when the switch S is
(a) Opened.
(b) Closed.
Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply of the energy supplied in kWh to the three heaters in 5 hours.
Fill in the blank :
1 mA = ............................. A.
- What is meant by electric current?
- Name and define its unit.
- Which instrument is used to measure the electric current? How should it be connected in a circuit?
The number of electrons constituting a 1-coulomb charge is ______.
Assertion (A): Electric current will not flow between two charged bodies when connected if their charges are the same.
Reason (R): Current is the rate of flow of charge.
What is the SI unit for the current?
Calculate the current in a wire if a charge of 1500 coulomb flows through it in 5 minutes.
Define the following:
Conventional current
