![17. When a battery of emf. 'E' and internal resistance 'r' is connected to a resistance 'R', a current I flows through it. Derive a relation between E, I, r and R. 17. When a battery of emf. 'E' and internal resistance 'r' is connected to a resistance 'R', a current I flows through it. Derive a relation between E, I, r and R.](https://toppr-doubts-media.s3.amazonaws.com/images/2887449/9d6e23eb-e976-4e83-8c0d-6fa151583fdc.jpg)
17. When a battery of emf. 'E' and internal resistance 'r' is connected to a resistance 'R', a current I flows through it. Derive a relation between E, I, r and R.
![Consider the circuit shown below. Each battery has an emf of 3.00 V and an internal resistance of 1.00 ohm. What is the current (in A) through the external resistor, which has Consider the circuit shown below. Each battery has an emf of 3.00 V and an internal resistance of 1.00 ohm. What is the current (in A) through the external resistor, which has](https://homework.study.com/cimages/multimages/16/7182364-39164318495572201125.png)
Consider the circuit shown below. Each battery has an emf of 3.00 V and an internal resistance of 1.00 ohm. What is the current (in A) through the external resistor, which has
![Physics Reference: A battery of electromotive force (e.m.f.) E and internal resistance 1.5 Ω is connected to a network of resistors, as shown in Fig. 6.1. Physics Reference: A battery of electromotive force (e.m.f.) E and internal resistance 1.5 Ω is connected to a network of resistors, as shown in Fig. 6.1.](https://1.bp.blogspot.com/-I-EVGbefW4c/XYu8T-ZFCII/AAAAAAAAKhg/jpwWEys4tgspkjnkoaUNcO7AJY3-JveDACLcBGAsYHQ/s1600/june2019p23q6-circuit-resistors-internal.png)
Physics Reference: A battery of electromotive force (e.m.f.) E and internal resistance 1.5 Ω is connected to a network of resistors, as shown in Fig. 6.1.
A storage battery of emf 8 v and internal resistance 0.5 ohm is being charged by a 120 v supply using a series resistor of 15.5 ohm. The terminal voltage of battery
![Find the emf(V) and internal resistance (r) of a single battery which is equivalent to a parallel combination of two batteries of emfs V1 and V2 and internal resistance r1 and r2 Find the emf(V) and internal resistance (r) of a single battery which is equivalent to a parallel combination of two batteries of emfs V1 and V2 and internal resistance r1 and r2](https://meritnation-question-images.s3.ap-southeast-1.amazonaws.com/toppr_invalid/questions/1012113_1dbdad3604904e2aad470b55ef2901cc.png)
Find the emf(V) and internal resistance (r) of a single battery which is equivalent to a parallel combination of two batteries of emfs V1 and V2 and internal resistance r1 and r2
![A battery of emf `12V` and internal resistance `2 Omega` is connected two a `4 Omega` resi - YouTube A battery of emf `12V` and internal resistance `2 Omega` is connected two a `4 Omega` resi - YouTube](https://i.ytimg.com/vi/tPThojbnXFU/maxresdefault.jpg)
A battery of emf `12V` and internal resistance `2 Omega` is connected two a `4 Omega` resi - YouTube
![Physics Reference: A battery with e.m.f. E and internal resistance r is connected in series with a variable external resistor. Physics Reference: A battery with e.m.f. E and internal resistance r is connected in series with a variable external resistor.](https://1.bp.blogspot.com/-k_gSBGqr1wM/XHmBQmAZMvI/AAAAAAAAKIw/m8AgahEPIFYs0mj8Aaj6cwmp5_TDQQ0CwCLcBGAs/w1200-h630-p-k-no-nu/june2015p11q36-internal-resistance-variable-external.png)