Tuesday, December 6, 2016

SSC Paper Science

Maharashtra Board SSC Model Paper Science Chapter 4 Set II

Marks 20

Q.1.True or False (2)
1. Voltmeter is always connected in series with device.
2. Restivity of alloys is greater than pure metals.

Q.2.Match the column (2)
A
B
1. Electric Current
2. Resistance
3. Heat
4. Power
a. I2RT
b. VI
c. V/I
d. Q/t

Q.3.Answer the following (8)
1. Give Reason :Melting point of filament of bulb is high..
2. Give reason Connecting wires in circuit are made up of copper and aluminium.
3. Differentiate between :Resistance in series and resistance in parallel
4. Two resistance of 3 ohms and 6 ohms are connected in parallel. Find the equivalent resistance.

Q.4. Answer the following (8)
1. Derive an expression for resistance connected in series.
2. Derive an expression for resistance connected in parallel.