2nd Year Physics Notes

• Important 2nd year physics exercise mcqs for Intermediate students.
• The potential is constant throughout a given region of space. Is the electrical field zero or non-zero in this region? Explain.
• Suppose that you follow an electric field line due to a positive point charge. Do electric field and the potential increase or decrease?
• Important 2nd year physics exercise notes for Intermediate students.
• How can you identify that which plate of a capacitor is positively charged? 
• Describe the force or forces on a positive point charge when placed between parallel plates (a) with similar and equal charges (b) with opposite and equal charges 
• Important 2nd year physics exercise short question notes for Intermediate students.
• Electric lines of force never cross. Why?
• If a point charge q of mass m is released in a non-uniform electric field with field lines pointing in the same direction, will it make a rectilinear motion?
• Important 2nd year physics exercise short questions for Intermediate students.
• Is E necessarily zero inside a charged rubber balloon if balloon is spherical? Assume that charge is distributed uniformly over the surface.
• A potential difference is applied across the ends of a copper wire. What is the effect on the drift velocity of free electrons by; (i) increasing the potential difference ( ii) decreasing the length and the temperature of the wire.
• Important 2nd year physics exercise short questions pdf for Intermediate students.
• Do bends in a wire affect the electrical resistance? Explain. 
• Why does the resistance of a conductor rise with temperature?
• What are the difficulties in testing whether the filament of a lighted bulb obeys Ohm’s law?
• Is the filament resistance lower or higher in a 500 W, 220 V lighted bulb than in a 100 W, 220 V bulb? 
• Important 2nd year physics solved exercise short questions pdf download for Intermediate students.
• Explain why the terminal potential difference of a battery decreases when the current drawn from it is increased?
• A plane conducting loop is located in a uniform magnetic field that is directed along the x-axis. For what orientation of the loop is the flux a maximum? For what orientation is the flux a minimum?
• Suppose that a charge q is moving in a uniform magnetic field with a velocity v. Why is there no work done by the magnetic force that acts on the charge q? 
• Important Important short questions of physics 2nd year chapter wise pdf for Intermediate students.
• If a charged particle moves in a straight line through some region of space, can you say that the magnetic field in the region is zero?
• Why does the picture on a TV screen become distorted when a magnet is brought near the screen?
• Is it possible to orient a current loop in a uniform magnetic field such that the loop will not tend to rotate? Explain.
• How can a current loop be used to determine the presence of a magnetic field in a given region of space?
• Important Kips notes 2nd year physics pdf download for Intermediate students.
• How can you use a magnetic field to separate isotopes of chemical element?
• What should be the orientation of a current carrying coil in a magnetic field so that torque acting upon the coil is (a) maximum (b) minimum?
• A loop of wire is suspended between the poles of a magnet with its plane parallel to the pole faces. What happened if a direct current is put through the coil? What happens if an alternating current is used instead?
• Important 2nd year physics solved exercise for Intermediate students.
• Why the resistance of an ammeter should be very low?
• Why the voltmeter should have a very high resistance?
• Does the induced emf in a circuit depend on the resistance of the circuit? Does the induced current depend on the resistance of the circuit?
• Important 2nd year physics solved exercise short questions pdf for Intermediate students.
• A square loop of wire is moving through a uniform magnetic field. The normal to the loop is oriented parallel to magnetic field. Is an emf induced in the loop? Give reasons.
• A light metallic ring is released from above in to a vertical bar magnet (in the fig). Viewed for above, does the current flow clockwise or anticlockwise in the ring?
• What is the direction of the current through resistor R in the fig? When switch S is; (a) closed (b) opened
• Important Physics 2nd year exercise mcqs for Intermediate students.
• Does the induced emf always act to decrease the magnetic flux through a circuit? 
• In a certain region the earth’s magnetic field point vertically down. When a plane flies due north, which wingtip is positively charged?
• When an electric motor, such as an electric drill, is being used, does it also act as a generator? If so what is the consequences of this? 
• Can a D.C. motor be turned into a D.C. generator? What changes required to be done?
• Here are the detailed 2nd Year Physics Exercise Short Questions to help you prepare for your exams.
• Is it possible to change both the area of the loop and the magnetic field passing through the loop and still not have an induced emf in the loop? 
• When the primary of a transformer is connected to a.c. mains the current in it (a) is very small if the secondary circuit is open, but (b) increases when the secondary circuit is closed. Explain these facts.  
• A sinusoidal current has rms value of 10A. What is the maximum or peak value?
• How many times per second will an incandescent lamp reach maximum brilliance when connected to a 50 Hz source?
• A circuit contains an iron-cored inductor, a switch and a D.C. source arranged in series. The switch is closed and after an interval reopened. Explain why a spark jumps across the switch contacts?
• How does doubling the frequency affect the reactance of (a) an inductor (b) a capacitor?