From the listed electrical devices, which releases heat energy that is not appreciated?
From the listed electrical devices, which releases heat energy that is not appreciated?
- A
Water heater
- B
Electric heater
- C
Oven
- D
Electric motor
Similar Questions
Which of the following materials has more number of free electrons?
Which of the following materials has more number of free electrons?
$(i)$ Name and state the law that gives relationship between the current through a conductor and the potential difference across its two terminals. Also, express this law mathematically.
$(ii)$ Draw the $V-I$ graph for this law. Justify your answer.
$(iii)$ Write the name and use of the circuit components whose symbols are given below.
$(i)$ Name and state the law that gives relationship between the current through a conductor and the potential difference across its two terminals. Also, express this law mathematically.
$(ii)$ Draw the $V-I$ graph for this law. Justify your answer.
$(iii)$ Write the name and use of the circuit components whose symbols are given below.
When two resistors of resistances $R_{1}$ and $R_{2}$ are connected in parallel, the net resistance is $3\, \Omega$. When connected in series, its value is $16\, \Omega$. Calculate the values of $R_{1}$ and $R_{2}$
When two resistors of resistances $R_{1}$ and $R_{2}$ are connected in parallel, the net resistance is $3\, \Omega$. When connected in series, its value is $16\, \Omega$. Calculate the values of $R_{1}$ and $R_{2}$
On which factors does the resistlvity of conducting wire depend?
On which factors does the resistlvity of conducting wire depend?
Mention two special features of the material to be used as element of an electric iron.
Mention two special features of the material to be used as element of an electric iron.