The coulomb is the SI unit of electric ………….. .
- Acurrent
- Bresistance
- Cpotential
- ✓charge
Answer: D.
View full solution →Question types
Current Electricity and Magnetism question types
199 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
199
Questions
9
Question groups
5
Question types
01
MCQ
151 Q→02Write the following Statement Is True Or False. & Write True Statement.
5 Q→03Answer the following in one sentece.
16 Q→04Answer the following questions in detail.
4 Q→05Fill In The Blanks.
10 Q→06Answer the following question.
4 Q→07Draw Diagram.
3 Q→08Answer the following question.
4 Q→09Find the odd one out.
2 Q→Sample Questions
Current Electricity and Magnetism questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The working of an electric bell is based on ………….. .
- Athe heating effect of electric current
- Bthe chemical effect of electric current
- ✓the magnetic effect of electric current
- Dthe optical effect of electric current
Answer: C.
View full solution →…………….. is a scalar quantity.
- AForce
- BAcceleration
- CVelocity
- ✓Electric current
Answer: D.
View full solution →The Ni-Cd cell delivers a potential difference of …………….. .
- A1 V
- ✓1.2 V
- C1.5 V
- D2 V
Answer: B.
View full solution →The potential difference between the two electrodes of the lead-acid cell is nearly ………………. .
- A1 V
- B1.2 V
- C1.5 V
- ✓2 V
Answer: D.
View full solution →In a car battery, a current is produced by the flow of both negatively and positively charged particles.
Sensation is felt by us due to a microscopically small current flowing to the brain.
Very small current flows when lightning occurs.
In the external circuit, the conventional current flows from the positive terminal of the cell to the negative terminal of the cell.
The SI unit of electric potential is the ampere.
What is the use of the elastic iron strip in the electric bell?
How can the strength of an electromagnet be increased?
See Fig. What is the potential difference between A and B if each cell delivers a potential difference of 2V?
State applications of the lead-acid cell.
Name ten devices in which electric cells are used.
What will happen if the elastic iron strip in the electric bell loses its flexibility?
What is electric circuit or electrical circuit?
What is potential difference?
What is the SI unit of electric potential?
When a glass rod is rubbed on a silk cloth, the glass rod acquires …………… charge.
1 ampere = 1 coulomb per …………… .
The SI unit of electric potential is the ………………. .
The SI unit of electric current is the ……………… .
The SI unit of electric charge is the ……………… .
What is an electromagnet? State ! its applications.
What is the potential difference delivered by the Ni-Cd cell?
Draw a neat labelled diagram to show the design of the lead-acid cell and explain its principle of working.
What is one ampere?
Describe the construction and working of an electric bell with the help of a diagram.
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
A battery is to be formed by joining 3 dry cells with connecting wires. Show how you will connect the wires by drawing a diagram.
Draw a neat labelled diagram of a simple electric circuit containing a cell, an electric bulb and a plug key. What happens when the key is (i) open (ii) closed?
Explain the concept of electrostatic potential (electric potential).
Electric cells having potential difference 2V each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases?
In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?
Electric bulb, Electric heater, Electric bell, Electric iron.
Pressure exerted by a liquid, Electric current, Electric potential difference, Buoyant force.
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