Class 10th Science Chapter 12 | Series & Parallel Combination of Resistors | Electricity | NCERT

Class 10 science bio ch 3 lec 1

10th science ch 12 electricity 2022

A 5Omega resistor is connected in series with a parallel combination of n resistors of 6Omega each. The equivalent resistance is 7Omega . Find n

Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistance of 2 Omega in series with a combination of two resistors ( 4 Omega each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Omega resistor be the same as that across the parallel combination of 4 Omega resistors ? Give reason.

Two students perform experiments on series and parallel combinations of two given resistors R_1 and R_2 and plot the following V -1 graphs [Fig. 5.24.]. Which of the graphs is/are correctly labeled in terms of the words 'series' and 'parallel'? Justify your answer.

The V-I graph for a series combination and for a parallel combination of two resistor is shown in the figure below. Which of the two A or B, represents the parallel combination? Give a reason for your answer.

The V-I graph for a series combination and for a parallel combination of two resistor is shown in the figure below. Which of the two A or B, represents the parallel combination? Give a reason for your answer.

The V-I graph for a series combination and for a parallel combination of two resistors is 1 shown in Fig. Which of the V two, A or B, represents the parallel combination ? Give a reason for your answer.

The series combination of two batteries, both of the same emf 10 V, but different internal resistance of 10 Omega and 5 Omega is connected to the parallel combination of two resistors 30 Omega and R Omega . The voltage difference across the battery of internal resistance 10 Omega is zero, the value of R (in Omega ) is : _________.