NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
R.s. Sruthi Sree
Subject: Science
, asked on 3/5/18
I want answer of these questions
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 2/5/18
Pls give me the answers of these questions
Answer
2
Aryan Panda
Subject: Science
, asked on 2/5/18
You take two register of resistance 2 R and 3R and connect them in an electric circuit calculate the ratio of electric power consumed by 2R and 3R
Answer
2
Johan Joe
Subject: Science
, asked on 2/5/18
There are several 10 ohm resistors and a maximum of 1 ampere is to be allowed through each resistor. These resistors are used to make a suitable arrangement that has 5 ohm resistance and carries a current of 4 ampere. Find the number of resistors used for the arrangement.
Answer
1
Aastha Adhikari
Subject: Science
, asked on 1/5/18
how much heat is produced in a resistor havingresistance R ohm when 1 ampere current is passed through it in 1 sec
Answer
1
Prithika
Subject: Science
, asked on 1/5/18
We have read that an electric buld lights up due to the heat generated during the current flow. In some questions i find its written that electric bulb draws current of a specific value. What do we mean by electric bulb drawing current and does it draws al.the current or specific amount
Answer
1
Prithika
Subject: Science
, asked on 30/4/18
Why does electrons doesn't stay in our body when we touch a charged body ?Why do they go to earth? If we are in air will we get electrocuted?
Answer
2
Prithika
Subject: Science
, asked on 30/4/18
Q. If a copper vessel is connected in a circuit across a battery which has a potential diff of 6 v. Then we know that there is potential diff across ends of the battery then will there be potential diff across the ends of the vessel? If yes then why?
Answer
1
Valentine Valenie
Subject: Science
, asked on 28/4/18
you are given several identical resistors each having resistance of 10 ohms and a max current of 1A is allowed to pass through each resistor. it is required to make a suitable combination of these resistances of 5 Ohms which can carry a current of 4A. find the number of such resistances that will be required
Answer
2
Prithika
Subject: Science
, asked on 27/4/18
In the formula U=qV why we use potential diff?Why not only potential?
Answer
1
Binay Tripathy
Subject: Science
, asked on 27/4/18
A wire of radius 'r' has resistance 'R'. It is then streched to a radius r/2. What is its new resistance?
Answer
1
Bharath Chandra
Subject: Science
, asked on 27/4/18
1 question
Q.1. An electric heater is used on 220 V supply and takes a current of 3.4 A. Calculate (i) its power and
(ii) its resistance, when it is in use.
Answer
2
Rishi Verma
Subject: Science
, asked on 25/4/18
How much will the resistance change if the diametre of wire is doubled??
Answer
1
Manasvi Chaturvedi
Subject: Science
, asked on 24/4/18
Q.3. An electric iron consumes energy at a rate of 880 W when heating is at the maximum and 330 W when the heating is at the minimum. The voltage at which it is running is 220 volts. What are the current and resistance values in each case.
Answer
1
Johan Joe
Subject: Science
, asked on 24/4/18
Can anyone find the equivalent resistance when the switch is on and when it is off
Answer
5
Prev
6
7
8
9
10
Next
What are you looking for?
Q.1. An electric heater is used on 220 V supply and takes a current of 3.4 A. Calculate (i) its power and
(ii) its resistance, when it is in use.