A student has 10 resistors of resistance...

A student has 10 resistors of resistance ‘ r ’. The minimum resistance made by him from given resistors is

`10 r`

`(r)/(10)`

`(r)/(100)`

`(r)/(3)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
ERRORLESS |Exercise Kirchhoff s Law, cells|8 Videos
CURRENT ELECTRICITY
ERRORLESS |Exercise Different Measuring Instruments|1 Videos
COMMUNICATION SYSTEM
ERRORLESS |Exercise S E T|14 Videos
ELECTRO MAGNETIC INDUCTION
ERRORLESS |Exercise SET|20 Videos

Similar Questions

Explore conceptually related problems

The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is :

A fixed resistor is cannected in parallel with a variable resistor, both are connected to a real battery (internal resistance is not negligible). Originally the fixed and variable resistors have the same resistance As the resistance of the variable resistor is decreased, the current through the fixed resistor

The circuit shown has resistor of equal resistance R. Find the equivalent resistance between A and B, when the key is closed.

The effective resistance of two resistors in parallel is (12)/(7) Omega . If one of the resistors is disconnected the resistance becomes 4 Omega . The resistance of the other resistor is

What is resistance of following resistor.

n resistors each of resistance R first combine to give maximum effective resistgance and then combine to give minimum. The ratio of the maximum resistance is

The colour sequence in a carbon resistor is red, brown, orange and silver. The resistance of the resistor is

A fixed resistor is cannected in parallel with a variable resistor, both are connected to a real battery (internal resistance is not negligible). Originally the fixed and variable resistors have the same resistance If the resistance of the variable resistor is decreased slightly, the rate at which energy is transferred to the variable resistor

ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19

A student has 10 resistors of resistance ‘ r ’. The minimum resistance...
Text Solution
|
Figure 6.51 shows a simple a potentiometer circuit for measuring a sma...
Text Solution
|
A car has a fresh storage battery of emf 12 V and internal resistance ...
Text Solution
|
If the balance point is obtained at the 35th cm in a metre bridge the ...
Text Solution
|
The equivalent resistance across the terminals of source of e.m.f. 24 ...
Text Solution
|
In the circuit shown in figure, switch S is initially closed and S i...
Text Solution
|
The figure here shows a portion of a circuit. What are the magnitude a...
Text Solution
|
A carbon resistor has colour strips as violet, yellow brown and golden...
Text Solution
|
A voltmeter of resistance 1000 Omega is connected across a resistance ...
Text Solution
|
A beam contains 2 xx 10^(8) doubly charged positive ions per cubic cen...
Text Solution
|
In the circuit shown, the reading of ammeter when switch S is open ...
Text Solution
|
In the circuit as shown in figure the
Text Solution
|
In figure shows a rectangular block with dimensions x , 2 x and 4 x ....
Text Solution
|
A battery is connected to a uniform resistance wire AB and B is eart...
Text Solution
|
A cylindrical metal wire of length l and cross sections area S , has...
Text Solution
|
A potential divider is used to give outputs of 4 V and 8 V from a 12 V...
Text Solution
|
Find equivalent resistance between A and B
Text Solution
|
Following figures show four situations in which positive and negative ...
Text Solution
|
A and B are two square plates of same metal and same thickness but len...
Text Solution
|
A moving coil galvanometer is converted into an ammeter reads upto 0.0...
Text Solution
|
Two conductors are made of the same material and have the same length....
Text Solution
|