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Somya .s. Rath
Subject: Science
, asked on 7/5/18
What is the resistivity of the metal if its length is 2m,the resistance is 20 ohm and the diameter is given as 0.03 mm
Answer
2
Neha Verma
Subject: Science
, asked on 7/5/18
What is good conductor, poor conductor, insulator and resistor in terms of resistance.
Answer
1
Prithika
Subject: Science
, asked on 7/5/18
Can a charge pass through a battery?
Answer
1
Neha Verma
Subject: Science
, asked on 6/5/18
How to solve this
?
Question No. 4
How many electrons should pass through a conductor in 2 seconds to constitute 4 amperes of current? (Given that the charge on an electron is
1
.
6
×
10
-
19
C
)
A. 1.25
×
10
18
B. 6.25
×
10
18
C. 1.25
×
10
19
D. 6.25
×
10
19
Answer
1
Kaur
Subject: Science
, asked on 6/5/18
Please answer the question as soon as possible it is urgently needed.
Answer
2
Iffat Ruhani
Subject: Science
, asked on 6/5/18
Why does copper have low resistivity?
Answer
2
Avinash Bhat
Subject: Science
, asked on 5/5/18
A student has three resistors of resistances 2 ohm, 6 ohm and 12 ohm.
(i)How will he join these resistors to get an equivalent resistance of 6 ohm?
(ii)What could be the highest and lowest equivalent resistances obtained by him when joining these resistors?
Answer
3
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
Draw a diagram used for a fuse to be used in a electrical apploance .Write the symbol for an electrical fuse in a circuit diagram. experts pls help me by answering this question as soon as possible
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
Derive an expression for the equivalent resistance of parallel combination of resistors?pls send me the answers experts!!!
Answer
2
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
Derive an equation for the resultant resistance of series combination of resistors? pls answer this question experts!!
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
please ans this question.
Q.
Given five equal resistances; each of the value 5 ohms. (a) What is the maximum resistance that can be obtained from them? (b) What is the minimum resistance that can be obtained from them ?
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
pls send me as soon as possible
Q.6. What is electrical resistivity of a material? What is its unit? Describe an experimentally to study the factors on which the resistance of conducting wire depends?
Answer
2
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
Solve this :
4. State Ohm's law ? Derive an experiment for the equivalent resistance of parallel combinations of resistors.
5. What is Joule's heating effect ? How can it be demonstrated experimentally ? List its four applications in daily life.
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
pls send me experts
Q.3. What is Ohm's law? How is it represented graphically? Derive an expression for the resultant resistance of series combinations of resistors.
Answer
1
R.s. Sruthi Sree
Subject: Science
, asked on 5/5/18
pls
Q.4. State Ohm's law? Derive an expression for the equivalent resistance of parallel combinations of resistors.
Answer
1
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What are you looking for?
?
Question No. 4
How many electrons should pass through a conductor in 2 seconds to constitute 4 amperes of current? (Given that the charge on an electron is )
A. 1.25
B. 6.25
C. 1.25
D. 6.25
Why does copper have low resistivity?
(i)How will he join these resistors to get an equivalent resistance of 6 ohm?
(ii)What could be the highest and lowest equivalent resistances obtained by him when joining these resistors?
Q. Given five equal resistances; each of the value 5 ohms. (a) What is the maximum resistance that can be obtained from them? (b) What is the minimum resistance that can be obtained from them ?
Q.6. What is electrical resistivity of a material? What is its unit? Describe an experimentally to study the factors on which the resistance of conducting wire depends?
4. State Ohm's law ? Derive an experiment for the equivalent resistance of parallel combinations of resistors.
5. What is Joule's heating effect ? How can it be demonstrated experimentally ? List its four applications in daily life.
Q.3. What is Ohm's law? How is it represented graphically? Derive an expression for the resultant resistance of series combinations of resistors.
Q.4. State Ohm's law? Derive an expression for the equivalent resistance of parallel combinations of resistors.