English

What is the Frequency of A.C. Used in India? - Physics

Advertisements
Advertisements

Question

What is the frequency of A.C. used in India?
One Line Answer
Advertisements

Solution

Frequency of A.C. used in India is 50 Hz.
 
shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Current Electricity - Exercise 4.3 ii [Page 206]

APPEARS IN

Frank Physics - Part 2 [English] Class 10 ICSE
Chapter 4 Current Electricity
Exercise 4.3 ii | Q 4 | Page 206

RELATED QUESTIONS

A bulb marked 12 V, 24 W operated on a 12 volt battery for 20 minutes. Calculate:
(i) the current flowing through it, and
(ii) the energy consumed


The diagram above shows a circuit with the key k open. Calculate :
(i) the resistance of the circuit when the key k is open.
(ii) the current drawn from the cell when the key k is open.
(iii) the resistance of the circuit when the key k is closed.
(iv) the current drawn from the cell when the key k is closed.


A potential difference of 6 V is applied across a 3 Ω resistor. What is the current flowinq throuqh the circuit?


Write the SI units for:
(a) Electric current

(b) Potential difference

(c) Charge.


Mention three uses of the carbon arc.


You are required to connect a bulb, a fan and a socket outlet to the mains in one set A and an air-conditioner and a refrigerator to the mains in other set B. Will you recommend the wire of same thickness and same insulation in both? explain your answer.


An immersion rod having resistance of 50 Ω is connected to 220V main supply. Assuming that all the energy generated goes to heat the water, calculate the time taken to heat 5 kg water from 30°C to 100°C.


A 100-watt electric bulb is used for 5 hours daily and four 60 watt bulbs are used for 5 hours daily. Calculate the energy consumed (in kWh) in the month of January.


1 kWh = ____________


Two heaters A and B have power rating of 1 kW and 2 kW, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is ______


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×