A battery of four cells in series, each ...

A battery of four cells in series, each having an emf of `1.14` V and an internal resistance of `2Omega` is to be used to charge a small 2 V accumulator of negligible internal resistance. What is the charging current?

`0.1A`

`0.2A`

`0.3A`

`0.45A`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
DC PANDEY|Exercise B. Assertion and reason|18 Videos
CURRENT ELECTRICITY
DC PANDEY|Exercise Match the columns|4 Videos
CURRENT ELECTRICITY
DC PANDEY|Exercise Check point|70 Videos
COMMUNICATION SYSTEM
DC PANDEY|Exercise Subjective|11 Videos
ELECTROMAGNETIC INDUCTION
DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

A battery of four cells in series each having an efm of 1.5 V and internal resistance 1Omega are connected in series with an ammeter, a coil of resistance 2Omega and a filament lamp. If the ammeter reads 0.5 A, the resistance of the filament lamp is

Maximum current produced by a cell of emf 10 V and internal resistance 2 Omega is

A battery of six cells each of e.m.f. 2V and internal resistance 0.5Omega is being charged by D.C. mains of e.m.f. 220V by using an external resistance of 10Omega what will be the charging current.

A cell of emf epsilon and internal resistance r is charged by a current I, then

A battery of 20 cells (each having e.m.f. 1.8V and internal resistance 0.1Omega is charged by 220 volts and the charging current is 15A. Calculate the resistance to be put in the circuit.

A battery of emf 12.0 V and internal resistance 0.5 Omega is to be charged by a battery charger which supplies 110 V d.c. How much resistance must be connected in series with the battery to limit the charging current to 5.0 A ? What will be the p.d. across the terminals of the battery during charging ?

A battery of six cells each of e.m.f . 2V and internal resistance 0.5Omega is being charged by D.C. mains of e.m.f. 220V by using an external resistance of 10Omega . What is the potential difference across the battery?

Shows a network of eight resistors battery of resistance R(= 2 Omega) connected in a 3V battery of negligible internal resistance. The current I in the circuit is

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?

DC PANDEY-CURRENT ELECTRICITY-Taking it together

A battery of emf E has an internal resistance r. A variable resistacne...
Text Solution
|
Two resistances are connected in the two gaps of a meter bridge. The b...
Text Solution
|
A battery of four cells in series, each having an emf of 1.14 V and an...
Text Solution
|
The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...
Text Solution
|
When a resistance of 100Omega is connected in series with a galvanomet...
Text Solution
|
Two cells, having the same emf, are connected in series through an ext...
Text Solution
|
Two wires of the same material but of different diameters carry the sa...
Text Solution
|
Two bulbs consume same energy when operated at 200 V and 300 V , respe...
Text Solution
|
A factory is served by a 220 V supply line. In a circuit protected by ...
Text Solution
|
Two bulbs 60 W and 100 W designed for voltage 220 V are connected in s...
Text Solution
|
A tap supplies water at 22^(@)C, a man takes 1 L of water per min at 3...
Text Solution
|
The mean free path of electrons in a metal is 4 xx 10^(-8)m The elect...
Text Solution
|
You are given two resistances R(1) and R(2). By using them singly, in ...
Text Solution
|
A potentiometer having the potential gradient of 2 mV//cm is used to m...
Text Solution
|
In the circuit shown in the figure,
Text Solution
|
A galvanometer of resistance 50 Omega is connected to a battery of 3 ...
Text Solution
|
When a galvanometer is shunted by resistance S, then its current capac...
Text Solution
|
The tungsten filaments of two electric bulbs are of the same length. I...
Text Solution
|
Three unequal resistor in parallel are equivalent to a resistance 1 oh...
Text Solution
|
In the network shown in fig. , points A, B, and C are at potentials of...
Text Solution
|