Advertisements
Advertisements
प्रश्न
If a charge of 420 C flows through a conducting wire in 5 minutes what is the value of the current?
Advertisements
उत्तर
The current flowing through the conducting wire is
`"I" = "Charge (Q)"/"Time (t)"`
⇒ `"I" = 420/(5 xx 60) = 1.4 "A"`
Hence, the current flowing through the wire is 1.4 A.
APPEARS IN
संबंधित प्रश्न
What is an Ammeter? How is It Connected in a Circuit? Draw a Diagram to Illustrate Your Answer.
In 10 s, a charge of 25 C leaves a battery, and 200 J of energy are delivered to an outside circuit as a result.
- What is the p.d. across the battery?
- What current flows from the battery?
Christmas tree lamps are usually wired in series. What happens if one lamps breaks?
How does the heat H produced by a current passing through a fixed resistance wire depend on magnitude of current I?
Find the effective resistance in the following circuit diagrams (Fig.):
Find the effective resistance in the following circuit diagrams (Fig.):
Complete the following table. The first answer has been given as an example.
| Quantity | Unit | |
| (a) | Electrical potential | volt |
| (b) | Resistance | ........ |
| (c) | Power | ........ |
| (d) | Energy | ........ |
| (e) | Resistivity | ........ |
When an electric current is passed, electrons move from:
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?
The relationship between conventional current and electron flow is that they are:
The electron was discovered in 1897 by:
In electrolytes, the ions carrying charge move toward:
The direction of Direct Current (DC) is characterized as:
What happens when the switch in a circuit is turned OFF (open circuit)?
