What is meant by an electric circuit ? Draw a circuit diagram to show an electric circuit comprising of a battery of two cells, a resistor, an ammeter and plug key when cirfuit is closed.
What is meant by an electric circuit ? Draw a circuit diagram to show an electric circuit comprising of a battery of two cells, a resistor, an ammeter and plug key when cirfuit is closed.
An electric circuit is a continuous and closed path in which electric current flows. The circuit diagram is as shown.
Similar Questions
If a $12\, V$ battery is connected to the arrangement of resistances given below, calculate
$(i)$ the total effective resistance of the arrangement and
$(ii)$ the total current flowing in the circuit.
If a $12\, V$ battery is connected to the arrangement of resistances given below, calculate
$(i)$ the total effective resistance of the arrangement and
$(ii)$ the total current flowing in the circuit.
Out of the two, a toaster of $1\, kW$ and an electric heater of $2\, kW$, which has a greater resistance ?
Out of the two, a toaster of $1\, kW$ and an electric heater of $2\, kW$, which has a greater resistance ?
An electric iron has a rating of $750\, W ; 200\, V$. Calculate
$(i)$ the current required.
$(ii)$ the resistance of its heating element.
$(iii)$ energy consumed by the iron in $2$ hours.
An electric iron has a rating of $750\, W ; 200\, V$. Calculate
$(i)$ the current required.
$(ii)$ the resistance of its heating element.
$(iii)$ energy consumed by the iron in $2$ hours.
The following table gives the resistivity of three samples
Sample
$A$
$B$
$C$
Resistivity
$1.6 \times 10^{-8} \Omega m$
$5.2 \times 10^{-8} \Omega m$
$100 \times 10^{-6} \Omega m$
Which of them is suitable for heating elements of electrical appliances and why ?
The following table gives the resistivity of three samples
| Sample | $A$ | $B$ | $C$ |
| Resistivity | $1.6 \times 10^{-8} \Omega m$ | $5.2 \times 10^{-8} \Omega m$ | $100 \times 10^{-6} \Omega m$ |
Which of them is suitable for heating elements of electrical appliances and why ?
Two resistors of resistance $2 \,\Omega $ and $4\, \Omega $ when connected to a battery will have
Two resistors of resistance $2 \,\Omega $ and $4\, \Omega $ when connected to a battery will have