Integrated Circuits and Microprocessors

Q.

On what factors does the heating effect of current depend?

Q.

What are two types of resistor?

Q.

Two resistances 20 W and 40 W are connected in series to a battery of potential difference 10 Volt compare the ratio of the heat produced in one minute in the two resistances.

Q.

How much current will an electric heater rated $1kW$ draw when connected to a $220V$ supply?

Q.

Calculate the quantity of heat produced in a $20$ resistor carrying $2.5\mathrm{A}$ current in$5$ minutes.

Q.

An electric device operates at $24V$ and has a resistance of $8\Omega$ Calculate the power of the device and the current flowing through it.

Q.

An electric toaster of resistance $80\Omega$ takes a current of $10A$. Calculate the heat developed in $2minutes$.

Q.

For a heater rated $2.2kW$ and $220V$, calculate

1. the current
2. the resistance of the heater
3. the energy consumed in $2hours$
4. the cost if $1kWh$ is priced at $₹5$.

Q.

An electric device gives out $5760J$ of heat energy in $1min$ , when current flows through it at a potential difference of $24V$ . Find the resistance of the device.

Q.

The circuit which is made up of various seperately manufactured components is known as:

1. Discrete circuit

2. Integrated circuit

3. Bread board

4. Closed circuit

Q.

What Does 3D NAND Stand For?

Q.

The size of the electronic equipment decreases with the increase in microprocessors.

1. True

2. False

Q. A circuit which can store information is known as.

1. Integrated circuit
2. Chip
3. None of the above
4. Gate
5. Memory cell

Q. Which of the following belongs to the logic families of integrated circuits?

1. Transistor Transistor Logic (TTL)
2. Complementary Metal Oxide Semiconductor (CMOS)
3. Metal Oxide Semiconductor (MOS)
4. All of the above