MCQ

CH19 - CURRENT OF ELECTRICITY

A cell is connected to a resistor.At any given moment, the potential difference across the cell is less than its electromotive force.Which statement e...

2009 Winter

MCQ

CH19 - CURRENT OF ELECTRICITY

Which values of current and resistance will produce a rate of energy transfer of 16 J\,s^{-1}?[Table_1]

2009 Winter

MCQ

CH19 - CURRENT OF ELECTRICITY

A cylindrical wire 4.0 m long has a resistance of 31 Ω and is made of metal of resistivity $1.0 \times 10^{-6} \, \Omega \mathrm{m}$.What is the radi...

2009 Winter

Theory

CH19 - CURRENT OF ELECTRICITY

A cell has electromotive force (e.m.f.) $E$ and internal resistance $r$. It is connected in series with a variable resistor $R$, as shown in Fig. 6.1....

2009 Winter

Theory

CH19 - CURRENT OF ELECTRICITY

(a) Two resistors, each of resistance $R$, are connected first in series and then in parallel. Show that the ratio $$\frac{\text{combined resistance...

2009 Winter

Theory

CH19 - CURRENT OF ELECTRICITY

A metal wire strain gauge is firmly fixed across a crack in a wall, as shown in Fig. 9.1, so that the growth of the crack may be monitored. Fig. 9.1(a...

2009 Winter

Theory

CH19 - CURRENT OF ELECTRICITY

The circuit of Fig. 10.1 may be used to indicate temperature change. The resistance of the thermistor T at 16°C is 2100Ω and at 18°C, the resista...

2009 Winter

MCQ

CH19 - CURRENT OF ELECTRICITY

In terms of energy transfer $W$ and charge $q$, what are the definitions of potential difference (p.d.) and electromotive force (e.m.f.)? [Table_1]

2010 Summer

MCQ

CH19 - CURRENT OF ELECTRICITY

What is the unit of resistivity?

2010 Summer

MCQ

CH19 - CURRENT OF ELECTRICITY

Which row describes the circumstances under which forces act on a charged particle in a uniform electric field? [Table_1]

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