Theory

CH20 - D.C. CIRCUITS

A network of resistors, each of resistance $R$, is shown in Fig. 7.1.(a) Calculate the total resistance, in terms of $R$, between points(i) A and C,re...

2009 Summer

MCQ

CH20 - D.C. CIRCUITS

Each of Kirchhoff's two laws presumes that some quantity is conserved. Which row states Kirchhoff's first law and names the quantity that is conserve...

2009 Winter

MCQ

CH20 - D.C. CIRCUITS

The diagram shows the symbol for a wire carrying a current $I$. What does this current represent?

2009 Winter

MCQ

CH20 - D.C. CIRCUITS

A potential divider consisting of resistors of resistance $R_1$ and $R_2$ is connected to an input potential difference of $V_0$ and gives an output p...

2009 Winter

MCQ

CH20 - D.C. CIRCUITS

A network of resistors consists of two 3.0\Omega resistors and three 6.0\Omega resistors.What is the combined resistance of this network between point...

2009 Winter

MCQ

CH20 - D.C. CIRCUITS

The resistance of a thermistor depends on its temperature, and the resistance of a light-dependent resistor (LDR) depends on the illumination.Under wh...

2010 Summer

MCQ

CH20 - D.C. CIRCUITS

The resistors P, Q, and R in the circuit have equal resistance.The battery, of negligible internal resistance, supplies a total power of 12W.What is t...

2010 Summer

MCQ

CH20 - D.C. CIRCUITS

In deriving a formula for the combined resistance of three different resistors in series, Kirchhoff’s laws are used. Which physics principle is invo...

2010 Summer

MCQ

CH20 - D.C. CIRCUITS

A source of e.m.f. of 9.0 mV has an internal resistance of 6.0 Ω. It is connected across a galvanometer of resistance 30 Ω. What will be the current...

2010 Summer

MCQ

CH20 - D.C. CIRCUITS

In each arrangement of resistors, the ammeter has a resistance of 2\(\Omega\).Which arrangement gives the largest reading on the ammeter when the same...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair of quantities contains one vector and one scalar quantity?

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

One property Q of a material is used to describe the behaviour of sound waves in the material. Q is defined as the pressure P of the sound wave divide...

2013 Summer

MCQ

CH3 - KINEMATICS

A cannon fires a cannonball with an initial speed $v$ at an angle $\alpha$ to the horizontal. Which equation is correct for the maximum height $H$ re...

2013 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A wave has a frequency of 5 GHz. What is the period of the wave?

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment to determine the acceleration of free fall $g$, the period of oscillation $T$ and length $l$ of a simple pendulum were measured. The ...

2013 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The Y-input terminals of a cathode-ray oscilloscope (c.r.o.) are connected to a supply of amplitude 5.0 V and frequency 50 Hz. The time-base is set at...

2013 Summer

MCQ

CH3 - KINEMATICS

A body is released from rest and falls vertically in air of constant density. Which statement about the motion of the falling body is correct?

2013 Summer

MCQ

CH3 - KINEMATICS

A goods train passes through a station at a steady speed of 10 m s$^{-1}$. An express train is at rest at the station. The express train leaves the st...

2013 Summer

MCQ

CH3 - KINEMATICS

A car is stationary at traffic lights. When the traffic lights go green, the driver presses down sharply on the accelerator. The resultant horizontal ...

2013 Summer

MCQ

CH4 - DYNAMICS

Which of the following is a statement of the principle of conservation of momentum?

2013 Summer