A battery has emf 4v and internal resistance r


Asked by admin @ in Physics viewed by 315 People


A bettery has emf 4v and internal resistance r when this battery is connected to an external resistance of 2 ohms,a current of 1 amp.Flows in the circuit.How much current will flow if the terminals of the battery are connected directly

Answered by admin @



Answer:

the answer is 2 A

Since the internal resistance r consumes 2 A current directly

Explanation:


Similar Questions

A battery of emf 2v and internal resistance 0.1

Asked by admin @ in Physics viewed by 315 persons

a battery of emf 2v and internal resistance 0.1 ohmis being charged by a current of 5A. what will be the direction of current inside the battery? what is the …

A storage battery of emf 8v and internal resistance

Asked by admin @ in Physics viewed by 353 persons

A storage battery of emf 8V and internal resistance 0.5 ohm is being charged by a 120 V d.c supply using a series resistor of 15.5 ohm. What is the …

Two batteries one of emf 18v and internal resistance

Asked by admin @ in Science viewed by 316 persons

Two batteries, one of emf 18 volts and internal resistance 2Ω and the other of emf 12 volt and internal resistance 1Ω, are connected as shown. The voltmeter V will …

A cell of emf 2v and internal resistance 1.2

Asked by admin @ in Physics viewed by 336 persons

cell of EMF 2v and internal resistance 1.2 ohm is connected to an ammeter of resistance 0.8 ohm and two resistor of 4.5 ohm and 9 ohm find the potential …

A 10 v battery of negligible internal resistance

Asked by admin @ in Physics viewed by 306 persons

A 10v battery of negligible internal resistance is connected across a 200v battery and a resistance of 38 ohm. Find the value of current in the circuit​

A battery of internal resistance 4 ohm is connected

Asked by admin @ in Physics viewed by 307 persons

A battery of internal resistance 4Ohm is connected to network of resistanc as shown .in order tgat tge maximum power can be delivered to the network ,tge value of R …

The internal resistance of a 2.1 v cell

Asked by admin @ in Physics viewed by 278 persons

The internal resistance of a 2.1v cell which gives a current of 0.2 A through a resistance of 10 ohm is

What is the internal resistance of ideal current source

Asked by admin @ in Physics viewed by 373 persons

Why internal resistance of an ideal current source is infinite

A coil having n turns and resistance r ohm

Asked by admin @ in Physics viewed by 315 persons

A coil having n turns and resistance r ohm is connected with a galvanometer of resistsnce 4r ohm .this combination is moved in time t sec from a magnetic field …

Factors on which internal resistance of a cell depends

Asked by admin @ in Physics viewed by 325 persons

On what factors does the internal resistance of a cell depends upon and why ?

The internal resistance of an ideal voltage source is

Asked by admin @ in Physics viewed by 279 persons

The internal resistance of an ideal voltage source​ is

The magnetic flux through a circuit of resistance r

Asked by admin @ in Physics viewed by 274 persons

The magnetic flux through a circuit of resistance R changes by an amount ∆Φ in a time ∆t. Then the total quantity of electric charge Q that passes any point …

A piece of wire of resistance r is cut

Asked by admin @ in Physics viewed by 291 persons

a piece of wire of resistance R is cut into 5 equal parts . these are then connected in parallel to form a combination R1 . what will be the …

A wire of resistance r is elongated n fold

Asked by admin @ in Physics viewed by 303 persons

A wire of resistance R is elongated n-fold to make a new uniform wire. the resistance of new wire is a) nRb)n²Rc)2nRd)2n²Rplease answer properly​

What is the internal resistance of an ideal current source

Asked by admin @ in Physics viewed by 324 persons

Why internal resistance of an ideal current source is infinite

Most viewed questions in Physics


Jeevandeep health and physical education std 10 answers pdf

Asked by admin @ in Physics viewed by 11080 persons


Hc verma physics class 9 solutions of describing motion

Asked by admin @ in Physics viewed by 2676 persons


How to leave nightmare land answer key

Asked by maham237 @ in Physics viewed by 1601 persons



Base area and stability of some objects with different shapes

Asked by admin @ in Physics viewed by 1536 persons


Which of the following statements about safe lifting are correct

Asked by admin @ in Physics viewed by 1521 persons


Porous water-absorbing mass of fibers

Asked by wiki @ in Physics viewed by 1501 persons



Absorption of water by filter paper is due to

Asked by admin @ in Physics viewed by 1442 persons


A composite wire of uniform diameter 3mm

Asked by admin @ in Physics viewed by 1411 persons


At a distance l 400m from the traffic light

Asked by admin @ in Physics viewed by 1346 persons



A rocket of mass m is launched straight up with thrust f⃗ thrust.

Asked by maham237 @ in Physics viewed by 1323 persons


Mind map for light reflection and refraction class 10

Asked by admin @ in Physics viewed by 1153 persons



A thief runs at a speed of 10m s

Asked by admin @ in Physics viewed by 1100 persons


A 5.8 x 10 4 watt elevator motor can lift

Asked by maham237 @ in Physics viewed by 1086 persons