Resistance is an important topic in the Physics section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.
This article gives you a full set of BITSAT PYQs for Resistance with explanations for effective preparation. Practice of BITSAT Physics PYQs including Resistance questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.
Also Read
BITSAT PYQs for Resistance with Solutions
1.
A wire $X$ is half the diameter and half the length of a wire $Y$ of similar material. The ratio of resistance of $X$ to that of $Y$ is- 8:01
- 4:01
- 2:01
- 1:01
2.
The resistance of a wire is \( 5 \Omega \). What will be its new resistance in ohms if stretched to 5 times its original length?- \( 625 \)
- \( 5 \)
- \( 125 \)
- \( 25 \)
3.
A letter ' $A$ ' is constructed of a uniform wire with resistance $1.0\, \Omega$ per $cm$, The sides of the letter are $20\, cm$ and the cross piece in the middle is $10 \,cm$ long. The apex angle is $60$ . The resistance between the ends of the legs is close to:- $50.0\,\Omega $
- $10 \,\Omega $
- $36.7\,\Omega $
- $26.7 \,\Omega $
4.
A coil of resistance 10 \( \Omega \) is connected to a battery of 12 V. If the current flowing through the coil is 2 A, what is the power dissipated in the coil?- 40 W
- 10 W
- 24 W
- 30 W
5.
In the adjacent shown circuit, a voltmeter of internal resistance $R$, when connected across $B$ an $C$ reads $\frac{100}{3} V$. Neglecting the internal resistance of the battery, the value of $R$ is- $100 \, k \Omega $
- $75 \, k \Omega $
- $50 \, k \Omega $
- $25 \, k \Omega $
6.
A resistor of resistance $ 10\, \Omega $ is connected across a $ 20\, V $ battery. Calculate the current flowing through the resistor.- \(1\, A\)
- \(2\, A\)
- \(0.5\, A\)
- \(4\, A\)
7.
Twelve resistors each of resistance $16\,\Omega$ are connected in the circuit as shown. The net resistance between $A$ and $B$ is- $1\,\Omega$
- $2\,\Omega$
- $3\,\Omega$
- $4\,\Omega$
8.
What should be the characteristic of fuse wire?- High melting point, high specific resistance
- High melting point, low specific resistance
- Low melting point, low specific resistance
- Low melting point, high specific resistance
9.
The effect of an increase in temperature on the number of electrons in the conduction band (\( n_e \)) and the resistance of a semiconductor will be as follows:- Both \( n_e \) and resistance decrease
- Both \( n_e \) and resistance increase
- \( n_e \) increases, resistance decreases
- \( n_e \) decreases, resistance increases
10.
A cell of constant emf first connected to a resistance $R_1$ and then connected to a resistance $R_2$. If power delivered in both cases is same then the internal resistance of the cell is :- $\sqrt{R_1 R_2} $
- $\sqrt{\frac{R_1}{R_2}}$
- $\frac{R_1 - R_2}{2}$
- $\frac{R_1 + R_2}{2}$
Comments