Question 1 :
In a potentiometer experiment, the balancing length with a cell is 560cm. When an external resistance of I0 ohms is connected in parallel to the cell the balancing length changes by 41cm. The internal resistance of the cell in ohm is 
Question 2 :
Your are given three equal resistances. In how many combinations can they be arranged?
Question 3 :
The equivalent resistance due to series connection of $10 \Omega$ and $10 \Omega$ resistors is <br/>
Question 5 :
Consider the following statements A and B and identify the correct answer<br/>A : Thermistors can have only -ve temperature coefficient of resistors.<br/>B : Thermistors with -ve temperature coefficients of resistance are used as resistance thermometers to measure low temperature of the order of 10K<br/>
Question 7 :
If the equivalent resistance is to be increased, then the number of resistances should be connected in:
Question 8 :
A circuit is made from two resistors in series and a battery. As more resistors are added in series, how is the current coming out of the battery affected?
Question 9 :
In which of the following substances the resistance decreases with the increase in temperature?
Question 10 :
If the current passing through an electric bell is doubled, the heat produced will become
Question 12 :
When the temperature of a metallic conductor is increased its resistance :
Question 13 :
What is the series equivalent of 1000 $\Omega$ resistor and 2700 $\Omega$  resistor in series?<br/>
Question 18 :
A (75 - j40 ) $\Omega $ load is the connected to a coaxial line of $z _ { 0 } = 75 \Omega$ The load matching on the line can be accomplished by connecting
Question 20 :
The equivalent resistance of several resistors in series is equal to the:
Question 21 :
A 60 watt bulb carries a current of 5A . Find the total charge passing through it in 1 hour.
Question 22 :
Which of the following quantities do not change when a resistor connected to a battery is heated due to the current?<br>
Question 23 :
The internal resistance of a cell of emf $1.5V$, if it can deliver a maximum current of $3 A$  is<br/>
Question 24 :
If a resistance is connected across the cell $e$, the balancing length will
Question 25 :
Which of the following methods does not help to minimize the error due to contact resistance in Wheatstone's meter bridge experiment:
Question 27 :
Two resistors of 30and 20 are joined together inseries and then placed in parallel with a 50 resistor.What is the effective resistance of thecombination?
Question 29 :
Two resistors of resistance $\displaystyle { R }_{ 1 }$ and$\displaystyle { R }_{ 2 }$ having$\displaystyle { R }_{ 1 }>{ R }_{ 2 }$ are connected in parallel. For equivalent resistance R, the correct statement is
Question 30 :
$P= \ I^n \times R$ (where P$=$ Power, R= Resistane , I= Current)The value of n 
Question 32 :
Why is the Wheatstone bridge better than the other methods of measuring resistances?
Question 33 :
Name two factors on which the internal resistance of a cell depends.
Question 35 :
By increasing the temperature, the specific resistance of a conductor and a semiconductor
Question 37 :
The smallest resistance that can be obtained by combining 10 resistors each of resistance $10 \Omega$is
Question 39 :
Between any two points in a circuit, the sum of all .............. is the same through any pathway.<br>
Question 40 :
Two unequal resistances are connected in parallel. Which of the following statement is true<br>
Question 41 :
A $24 \,V$ battery having internal resistor of $ X \,\Omega$ is connected to a $4\, \Omega$ resistor, causing a current of $5\,A$. Find out the value of $X$?
Question 42 :
A 4$\Omega $ (or 4 ohm) wire and a 2 $\Omega $ (or 2 ohm)wire areconnected in parallel. A current of 3A passes through the wires. How much current passesthrough the 2 $\Omega $ (or 2 ohm) wire?
Question 43 :
Match <br/>List - I                        List - II<br/>a) Charging cell              e) $V=0$<br/>b) Discharging cell         f) $V = E$<br/>c) Cell short circuited     g) $V<E$<br/>d) Cell in open circuit     h) $V>E$<br/>
Question 44 :
There are three resistance 5$\Omega$, 6$\Omega$ and 8$\Omega$connected inparallel to a battery of 15 V and of negligible resistance.The potential drop across 6$\Omega$resistance is
Question 45 :
A cell of emf E is connected across a resistance R. The potential difference between the terminals of the cell is found to be V. The internal resistance of the cellis given as
Question 46 :
Two resistors are connected a) in series b) in parallel.<br>The equivalent resistance in two cases are $9\ ohm$ and $2\ ohm$ respectively. Then the resistance of the component resistors are.
Question 47 :
Relation between the power (P) consumed by a device, its resistance (R) and voltage (V) across it.
Question 48 :
Amount of electric energy consumed in a circuit per unit time is.
Question 49 :
Which is the equivalent resistance when resistors $3 \Omega$ and $6 \Omega$ are in parallel?<br>
Question 50 :
Calculate the power of a source if it produces an energy of 250 joules in 10 sec.
