Home
Q&A
Education
Technology
Credit
General
Health
Insurance
Questions
Ask a Question
If a current of `0.5A` flows through a metallic wire for 2 hours, then how many electrons would flow through the wire ?
Home
Education
If a current of `0.5A` flows through a metallic...
asked
Jan 5, 2022
in
Education
by
JackTerrance
If a current of 0.5A flows through a metallic wire for 2 hours, then how many electrons would flow through the wire ? Select the correct answer from above options
probability-questions
probability-mcq
1
Answer
0
votes
answered
Jan 5, 2022
by
JackTerrance
Correct Answer - 2.246×1022 electrons 1F=96500C=1molofelectrons=6.02×1023 Q=I×t=0.5A×(2×60×60s)=3600C 3600C is equivalent to flow of electrons = 6.02×1023 96500 ×3600=2.246×1022 electrones
Related questions
0
votes
Q: A solution of `Ni(NO_(3))_(2)` is electrolyzed between platium electrodes using a current of `5A` for `20 mi n`. What mass of `Ni` is deposited at the
A solution of Ni(NO3)2 is electrolyzed between platium electrodes using a current of 5A for 20min . What mass of ... at the cathode ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: What other elements may be added to silicon to make electrons available for conduction of an electric current?
What other elements may be added to silicon to make electrons available for conduction of an electric current? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A ... C. ≤ .5 D. 0 Select the correct answer from above options...
asked
Nov 20, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
cbse-class-10
0
votes
Q: Let A and B be two independent events. Statement-1: If P(A)=0.3 and `P(A cup overline(B))=0.8`, then `P(B)=(2)/(7)` Statement-2: For any event `E, P(o
Let A and B be two independent events. Statement-1: If P(A)=0.3 and P(A∪ ˉ B )=0.8, then P(B)= 2 ... -1 is False, Statement-2 is True. Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A ... C. ≤0.5 D. 0 Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If the probability of a random variable X is a given below : `{:(X=x:,-2,-1,0,1,2,3),(P(X=x):,(1)/(2),k,(1)/(5),2k,(3)/(10),k):}` Then the value of k,
If the probability of a random variable X is a given below : X=x: -2 -1 0 1 2 3 P(X=x): 1 2 k 1 5 2k 3 10 ... B. 2 10 C. 3 10 D. 7 10 Select the correct answer from above options...
asked
Nov 16, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If `P(X= 3) = 2P(X= 1)` and `P(X= 2) = 0.3`, then `P(X= 0)` is equal to
A random variate X takes the values 0, 1, 2, 3 and its mean is 1.3. If `P(X= 3) = 2P(X= 1)` and `P(X= 2) = ... `0.2` C. `0.3` D. `0.4` Select the correct answer from above options...
asked
Nov 16, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If C and D are two events such that `CsubD""a n d""P(D)!=0` , then the correct statement among the following is : (1) `P(C|D)""=""P(C)` (2) `P(C|D)geq
If C and D are two events such that C⊂DandP(D)≠0 , then the correct statement among the following is : (1) P(C∣D)=P(C) (2) P(C∣D)≥P(C) (3) P(C∣D)...
asked
Nov 16, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If `A and B` are two independent events such that `P(B) = 2/7, , P(A uu B) = 0.8` then `P(A)=`
If AandB are two independent events such that P(B)= 2 7 ,,P(A∪B)=0.8 then P(A)= A. 0.1 B. 0.2 C. 0.3 D. 0.4 Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If without repetition of the numbers, four-dight numbers are formed with the numbers 0, 2, 3 and 5, then the probability of such a number divisible by
If without repetition of the numbers, four-dight numbers are formed with the numbers 0, 2, 3 and 5, then the probability ... 30 D. 5 9 Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: The probability that atleast one of the events A and B occurs is 0.6 If A and B occur simulataneously with probability 0.2, then `Poverset(-)((A))+Pov
The probability that atleast one of the events A and B occurs is 0.6 If A and B occur simulataneously with probability 0 ... 1.2 D. 1.6 Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If `e_(1),e_(2),e_(3)" and "e_(4)` are the four elementary outcomes in a sample space and `P(e_(1))=0.1,P(e_(2))=0.5,"and "P(e_(3))=0.1,` then the pro
If e1,e2,e3 and e4 are the four elementary outcomes in a sample space and P(e1)=0.1,P(e2)=0.5,and P(e3 ... the probability of e4 is Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: If A and B are two events associated with a random experiment such that `P(A)=0.3,P(B)=0.2" and "P(AcapB)=0.1,` then the value of `P(A∪B)` is ….
If A and B are two events associated with a random experiment such that P(A)=0.3,P(B)=0.2 and P(A∩B)=0.1, ... the value of P(A∪B) is . Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
0
votes
Q: Q.4) According to Lewis structure the number of lone pair \& bond pair of electrons in \( SO _{4}{ }^{2-} \) ion. (1) 12,6 (2) 12,4 (3) 10,8 (4) 8,8
Q.4) According to Lewis structure the number of lone pair \& bond pair of electrons in S O 4 2 − S ion. (1) 12,6 ... (3) 10,8 (4) 8,8 Select the correct answer from above options...
asked
Nov 29, 2021
in
Education
by
JackTerrance
jee-questions
jee-mcq-questions
probability-questions
probability-mcq
0
votes
Q: If an electrochemical cell is made in which current does not flow, what it suggest ?
If an electrochemical cell is made in which current does not flow, what it suggest ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
...