ICSE Worksheet for chapter-13 Current Electricity class 10

ICSE Worksheet for chapter-13 Current Electricity class 10

Worksheet For class 10

This page is prepared by the Academic team of Physics Wallah which consists of ICSE Board Worksheet for Class 10 Physics . Students of Class 10 Physics can get a free Worksheet for Class 10 Physics in PDF format prepared as per the newest syllabus and examination pattern in your schools.

Standard 10 students can practice questions and answers which are given here for Physics in Grade 10 that will help them to improve their knowledge of all important chapters and their topics. Students can also download free pdf of Class 10 Physics Notes prepared by teachers and solve important problems provided here with solutions on daily basis to get more scores in school exams and tests.

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Summary

• Grouping of resistors – Series Combination and Parallel Combination of resistors
• Electromotive force of a cell(E.M.F), Internal resistance of a cell

Section 1 - Objective

Q1. A wire of resistance R is cut into n equal parts. These parts are then connected in parallel. The equivalent resistance of combination will be :

1. nR
2. R/n
3. n/R
4. R/n

Q2. Three resistances each of 8 Ω are connected to a triangle. The resistance between any two terminals will be :

1. 12 Ω
2. 2 Ω
3. 6 Ω
4. 16/3 Ω

Q3. In how many parts (equal) a wire of 100 Ω be cut so that the resistance of 1 Ω is obtained by connecting them in parallel?

1. 10
2. 5
3. 100
4. 50

Q4. If a wire of resistance of 1 Ω is stretched to double its length, then the resistance will become :

1. 1/2 Ω
2. 2 Ω
3. 1/4 Ω
4. 4 Ω

Section 2 Subjective

Q1. Three resistance of value 1Ω, 2Ω and 3Ω are connected in parallel. If the effective resistance of the circuit has to be 1Ω, then find the value of the resistance to be connected in series to this circuit.

Q2. Define EMF of a cell.

Q3. When two resistors are joined in series, the equivalent resistance is 90Ω. When the same resistors are joined in parallel, the equivalent resistance is 20Ω. Calculate the resistance of the two resistors

Solutions for Section 1 & 2

Objective

Subj​ective

1. R = 5/11 Ω

3. 60Ω and 30Ω