Click to Chat

1800-2000-838

+91-120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
```        I have a question from which I want to understand how to decipher what method of solution should I use ...
Q. The current throigh a wire depends on time as
i = io + At  where i0 = 10 Amp. and A = 4 Amp/sec.
Find the charge crossed through a section of the wire in 10 secs.
```
8 years ago

9 Points
```										it is a quite easy question.
The only thing that you have to keep in mind is that current is flow of charge particles i.e. charges flow per unit of time is called current.
therefore, i = dQ/dt , where Q is the charge flow across the wire
so the equation can be written as
dQ/dt =  i0 + At
dQ = (  i0 + At ) dt
integrating both sides we get,
Q = (  i0 + At/2)*t + C0
now, when t = 0, Q= 0,
therefore, C0 = 0
thus at t = 10,
Q = 300 C
```
8 years ago
Think You Can Provide A Better Answer ?

## Other Related Questions on Discuss with colleagues and IITians

View all Questions »
• Complete AIPMT/AIIMS Course and Test Series
• OFFERED PRICE: Rs. 15,900
• View Details
• Complete JEE Main/Advanced Course and Test Series
• OFFERED PRICE: Rs. 15,900
• View Details