Current during the resistor, Physics

Assignment Help:

Ques:

A 12 volt battery is associated in series with an initially-uncharged 120 microfarad capacitor and a 25 ohm resistor. What is the current during the resistor at the instant the connection is made?

Ans:

Just for an immediate subsequent to the connection is made but before any charge has built up on the capacitor the capacitor "acts like" a piece of wire. Therefore for that instant only it is as if the battery in the given circuit is connected across the resistor. Therefore for that instant the resistor voltage is the battery voltage. Utilizing the battery voltage in V=IR and solving for I we find that I = 0.48 A.

237_Current during the resistor.png


Related Discussions:- Current during the resistor

Setellite, Discusse about motion of satellite

Discusse about motion of satellite

Projectile motion, after 1sec of projectile makes an angle of 45 with the h...

after 1sec of projectile makes an angle of 45 with the horizontal after another 1 sec travelling horizontally find magnitude of initial velocity and angle of projection

Body, what is meant by body in physics

what is meant by body in physics

nuclear radiation detectors and dielectrics, What do you mean by dead time...

What do you mean by dead time in GM counter? Draw a neat diagram at GM counter and explain its working. Mention some of its applications. Give basic principle of Geiger-Muller coun

Vitreous enamel capacitors, These capacitors are made using vitreous enamel...

These capacitors are made using vitreous enamel on mixture of silica, alkali oxides and fluorides as dielectrics. These capacitors are formed by spraying vitreous lacquer on metal

Explain the phenomena due to surface tension, (i)  Lead balls are spherical...

(i)  Lead balls are spherical in shape. (ii) Rain leaves and a globule of mercury placed on glass plate are spherical. (iii) Hair of shaving painting brush, when goes in wate

Can you give the s.i unit of electric displacement vector, Can you give the...

Can you give the S.I unit of electric displacement vector?

Restitution for the ball hitting , A ball of mass 0.7 kg is dropped vertica...

A ball of mass 0.7 kg is dropped vertically from a height of 10 m onto a concrete floor. The ball is observed to bounce a number of times before coming to rest. The coefficient of

What is the difference between a lens and a mirror, What is the difference ...

What is the difference between a lens and a mirror? A mirror is a reflective surface. Light passes by the glass and hits the silver backing, reflecting off of it. (The angle of

What are switches and fuses, What are Switches and Fuses? As men...

What are Switches and Fuses? As mentioned earlier, short circuits can be damaging to the voltage source. One way we have developed to protect equipment is to use fuses i

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd