3 1 25 V cm What is the emf of the second cell 2 1...

90.2K

Verified Solution

Question

Physics

image

3 1 25 V cm What is the emf of the second cell 2 1 5 Voley 4 2 25 V PO 14 A wire carries a current of 2 0A What is the charge that has flowed through its cross section in 1 0 sec 14 How many electrons does this corresponds to pg 9 1 0 2 C 1 25 10 9 3 2C 1 25 x 10 19 2 2C 1 25 x 10 9 4 0 2C 1 5 x 101 C 15 The temperature coefficient of a wire is 0 00125 C At 300K its resistance is one ohm The resistance of the wire will be 2ohm at 1 1154 K 2 1100 K 3 1400 K 4 1127 K 16 Two wires A and B of the same material having radii in the ratio 1 2 and carry currents in the ratio 4 1 0 The ratio of drift speed of electrons in A and B is pg 1 1 16 1 pg 9 confusing 2 1 16 3 1 4 24 4 4 1 7 When a current I is set up in a wire of radius r the drift velocity is Vd If the same current is set up through a wire of radius 2r the drift velocity will be 1 4 Vd 2 2Vd 3 Vd 2 2 OS 4 Vd 4 8 Five equal resistances each of resistance R are connected as shown in the figure A battery of V volt is The current flowing in AFCEB will be

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students