SINDH MDCAT 2014 PAPER

1. A circuit in which there is a current of 5 amp is changed so that the current falls to zero in 0.1 s. If an average e.m.f of 200 volts is induced. What is the self inductance of the circuit?

2. The phenomena in which certain metals emit electrons when exposed to high frequency light is known as:

3. A galvanometer has a resistance of 20 ohms and a full scale deflection when a current of 0.001 ampere flows in it. What is the value of the series resistance to convert it into a voltmeter of range 10 volts?

4. Sodium nucleus consists of 11 protons and 12 neutrons. The conventional symbol of this nucleus is:

5. The atomic spectra deals with the measurement of:

6. The detection and estimation of an clement in a mixture is sometimes nearly impossible, if it is present in very minute traces or if it’s chemical properties are very similar to those of other elements in the mixture. An effective technique is developed for these purposes is known as:

7. Now much energy is dissipated as heat in 20 s by a 100 Ω resistor that carries a current of 0.5 A?

8. A sphere of charge +Q is fixed in a position. A smaller sphere of charge +q is placed near the larger sphere and released from rest. The small sphere will move away from the large sphere with:

9. A 10 Nano farad (10 x 10^-9F) parallel plate capacitor holds a charge of magnitude 50 µC on each plate. if the plates are separated by a distance of 0.885 mm what is the area of each plate?

10. Kelvin, the unit of thermodynamic temperature is _____ of the thermodynamic temperature of the triple point of water.