Home
Class 10
PHYSICS
Give any four precautions taken by a stu...

Give any four precautions taken by a student to perform an experiment to determine the resultant resistance of two resistors when connected in series.

Text Solution

Verified by Experts

(i) Clean the ends of the connecting wires by sand paper.
(ii) The connections should be tight.
(iii) Close the key (K) only when readings are to be taken.
(iv) Zero errors and the ranges of the ammeter and voltmeter should be noted.
Promotional Banner

Similar Questions

Explore conceptually related problems

The equivalent resistance of resistors connected in series is always

Choose the appropriate set of apparatus for performing the experiment to determine the equivalent resistance of two resistors when connected in series :

A student while performing the experiment to find the resultant resistance of two resistors connected in series observes the ammeter pointer at position P when the key is 'off' and the same pointer at position Q when the key is 'on'. The correct reading of ammeter is :

Two students made two circuits A and B to determine the resultant resistance of two resistors R_(1) and R_(2) connected in series : All the components have been connected correctly in :

While performing an experiment to determine the equivalent resistance of two resistors connected in parallel, a student observes the pointer of voltmeter at position X when the key is 'off' and the same pointer at position Y when the key is 'on'. The correct voltmeter reading is :

What is the need of combining different resistors? What is the resulant resistance when number of resistances are connected in series?

Four student have made the following circuit diagrams for determining the equivalent resistance of two resistors connected in series : The correct circuit diagram is :

A student stes up an electric circuit shown here for finding the equivalent resistance of two resistors in series : In this circuit, the :