Chapters

Chapter 8: Electricity and Magnetism
Frank solutions for Class 9 Physics ICSE Chapter 8 Electricity and Magnetism Static Electricity [Pages 300 - 302]
State the kind of charge on a positive ion.
State the kind of charge on a negative ion.
The following Figure represents a negatively charged gold Ieaf electroscope. Label the parts, P, Q, and R and the estate whether each is an insulator or a conductor. Also, indicate the distribution of charges on the system in the diagram.
The following figure shows a metal rod PQ mounted on an insulated stand. The cap of an uncharged electroscope touches one end Q of the metal rod. A negatively charged ebonite rod is brought near the other end P of the metal rod.
(a) What charge does the end P have?
(b) What charge does the end Q have?
(c) What charge does the cap of the electroscope have?
(d) What charge does the gold leaf have?
(e) Will the leaf diverge or collapse? Give reason.
(f) If the electroscope is now earthed, what charge does the metal rod have?
Frank solutions for Class 9 Physics ICSE Chapter 8 Electricity and Magnetism Current Electricity [Pages 312 - 313]
What do you mean by an electric current?
What is an electric cell?
How much is the charge on an electron?
Name the constituents of a cell.
Write SI unit of
Electric current,
Write SI unit of
Potential difference
Write SI unit of
Resistance.
What is the number of electrons that would flow per second through the cross-section of a wire when 1 A current flows in it?
0.7 C charges passes through a cross-section of a conductor in 7 s. Find the current.
Name the instrument used to control current in an electric circuit.
What is the other name of a variable resistor?
What is the function of a switch in an electric circuit?
Write symbol and state function of following component in an electric circuit :
cell
Write symbol and state function of following component in an electric circuit :
ammeter
Write symbol and state function of following component in an electric circuit :
voltmeter
Write symbol and state function of following component in an electric circuit : key
battery
Write symbol and state function of following component in an electric circuit :
rheostat
A current of 1.2 A flows through a conductor for 3.0 s. What amount of charge passes through the conductor?
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
l-V graph is shown for a good conductor. What does the slope of the graph represent?
What do you mean by the potential difference? Write its SI unit.
Is electric current a scalar quantity?
State the factors on which the electrical resistance of a wire depends.
What is the SI unit of resistance?
A bulb is connected to a cell. How is the resistance of circuit affected if another identical bulb is connected (i) in series, (ii) in parallel, with the first bulb?
How are the potential difference (V), current (l) and resistance (R) related?
'The resistance of a wire is 2 ohm'. Explain the meaning of this statement.
Write symbol and state function of following component in an electric circuit :
cell
Write symbol and state function of following component in an electric circuit :
ammeter
Write symbol and state function of following component in an electric circuit :
voltmeter
Write symbol and state function of following component in an electric circuit : key
battery
Write symbol and state function of following component in an electric circuit :
rheostat
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
What amount of work is required in moving 3 C charge through a potential difference of 6 V?
What is the physical meaning of resistance?
'The potential difference between two conductors is 1 volt'. Explain the meaning of this statement.
Frank solutions for Class 9 Physics ICSE Chapter 8 Electricity and Magnetism Exercise [Pages 323 - 325]
Name the instrument used to control the current in an electric circuit.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
Explain the following:
Potential difference
Explain the following:
Open circuit
Explain the following:
Closed circuit
Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.
Compare the brightness of two 60 watt bulbs.
When they are connected in parallel.
Explain giving scientific reasons.
Differentiate between:
Conductors and insulators.
Differentiate between:
Flow of electron and flow of conventional current.
Suggest the best particles in the use of energy at school.
Suggest the best particles in the use of energy at home that save energy.
Chapter 8: Electricity and Magnetism

Frank solutions for Class 9 Physics ICSE chapter 8 - Electricity and Magnetism
Frank solutions for Class 9 Physics ICSE chapter 8 (Electricity and Magnetism) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Class 9 Physics ICSE solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Class 9 Physics ICSE chapter 8 Electricity and Magnetism are Electric Cell, Symbols and Functions of Various Components of an Electric Circuits, Direction of the Electric Current - Conventional and Electronic Flow, Conservation of Electrical Energy, Electric Current, Electric Circuit, Types of Circuits: Simple Circuit, Conductors and Insulators, Flow of Charges (Electrons) Between Conductor, Electric Potential (Electrostatic Potential) and Potential Difference, Resistance (R), Ohm's Law, Social Initiatives for Energy.
Using Frank Class 9 solutions Electricity and Magnetism exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Frank Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 9 prefer Frank Textbook Solutions to score more in exam.
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