A battery gıves a current of 0.5 A when connected across an external resistor of resistance 12 N and a current of 0.25 A when connected across an external resistor of resistance 25 2. Find the emf and internal resistance of the battery.

Q: A capacitor of capacitance C= 2x 10^-6 is discharged through a resistor of resistance = 10^5 ohm.…

A:

Q: lol 560 meter experiment, the 1 is 560cm. When a ms is connected in par length changes by 6 of the…

A:

Q: An AA battery has an emf of 1.50 V. After being used for quitea while, one AA battery has a…

A: Given data: emf of battery is, E=1.50 V. Potential difference of one terminal of battery is, V'=1.30…

Q: When connected in parallel, two resistors have an equivalent resistance of 119 Q. The same two…

A:

Q: A battery with EMF of 27 V and an internal resistance, r = 0.63 ohms is connected to the load…

A:

Q: tomobile battery has an emf of 12.6 V and an internal resistance of 0.0790 2. The headlights…

A:

Q: When a R= 90.9 a resistor is connected across a 12 V battery, a current of 123 mA flows. What is the…

A: Given data:  Resistance (R) = 90.9 Ω Battery emf (ε) = 12 V Current (I) = 123 mA = 0.123 A

Q: To find the internal resistance and emf of a battery, it is connnected across different loads…

A:

Q: A 200 μF defibrillator capacitor is charged to 1200 V. When fired through a pa- tient's chest, it…

A: Let initial charge = QAfter , the final charge Q(t) = 0.05 Q (Since, 95 % lose)Voltage Capacitor…

Q: When a R = 88.3 Q resistor is connected across a.11.3 V battery, a current of 114.4 mA flows. What…

A:

Q: The batteries shown in the circuit in (Figure 1) have negligibly small internal resistances. Assume…

A:

Q: A battery with emf E and internal resistance r is first connectedto a resistor of resistance R1 = R,…

A: In the first case, the battery with emf E and internal resistance r is connected to a resistance R.…

Q: The current flowing in a circuit containing four resistors connected in series is I=1.0A. The…

A:

Q: When a 91.70 resistor is connected across a 6 V battery, a current of 64.2 mA flows. What is the…

A: Please see the answer below

Q: What is the maximum power deliverable b a stack of 100 10YSZ cells to an optimum resistive load?…

A:

Q: Question 4. (a) If a battery with a 0.100 1 internal renistance supplies 15.0 W of total power with…

A: The terminal voltage of a battery is  ∆V=ε-IR…

Q: a resistor of unknown resistance is in parallel with a 30 ohm resistor. a battery of emf 6.0 V and…

A: Given R1 = 30 ohm V = 6.0 Volt I = 0.80 Amp R2 = ?

Q: Four resistors of 12 2 each are connected in parallel. Three such combinations are then connected in…

A:

Q: Three resistors of 50 ohms, 100 ohms, and an unknown resistance R are connected in parallel and the…

A: Given: The resistances are 50 Ω and 100 Ω and R. The supply voltage is 25 V. The total current is 1…

Q: When a R = 88.9 Q resistor is connected across a 11.1 V battery, a current of 113.9 mA flows. What…

A: Taking 'r' to be the internal resistance of the battery, so the total equivalent resistance of the…

Q: A piece of Nichrome wire has a radius of 6.8 x 10" m. It is used in a laboratory to make a heater…

A: Given data Power dissipated by the heater is P=3.70×102 W Voltage source is V=110 V Radius of wire…

Q: Three resistors R1=4.5 ohms, R2-8 ohms, R3=7.3 ohms are connected in series and to a 120- volt…

A: Given : R1 =4.5 Ω R2 =8 Ω R3 =7.3 Ω Potential difference (V)= 120 V

Q: When a R =88.7 Q resistor is connected across a 11.1 V battery, a current of 112.8 mA flows. What is…

A:

Q: When a R = 88.4 Q resistor is connected across a 11.2 V battery, a current of 113.3 mA flows. What…

A: Given  R = 88.4 ohm  V = 11.2 V  I = 113.3 mA  Rint =???

Q: A battery provides emf (voltage), ε = 12 volts. it has an internal resistance Rinternal = .4, so you…

A:

Q: The potential difference accross the terminals of a battery is 20.0 V when the circuit is open. When…

A: Given:- The potential difference across the terminals of a battery E=20.0 V  current I= 2.0 A  the…

Q: When the switch is open, the potential difference across the terminals of a battery is 20.0 V. When…

A:

Q: Three resistors 2 $\Omega $, 4 $\Omega $ and 5 $\Omega $ are combined in parallel. If the…

A:

Q: A wire of resistance 5.0 ohm is connected to a battery whose emf O is 2.0 Vand whose internal…

A: Solution attached in the photo

Q: With dry skin of the hands, the resistance between the palms of the hands can reach R1 Ohms). Find…

A: Required : The current that will pass through the human body.

Q: Find the current in a 4.30 Ω resistor connected to a battery that has an internal resistance of 0.20…

A: (a) According to ohms law the expression for terminal voltage is, ∆V=IR              (I)…

Q: A wire of resistance 5.0 ohm is connected to a battery whose emf D is 2.0 V and whose internal…

A:

Q: (a) Find the current in a 8.60 Ω resistor connected to a battery that has an internal resistance of…

A:

Q: A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate…

A: recall V=IR P=i2R

Q: A resistor with an unknown resistance is connected in parallel to a 17 Ω resistor. When both…

A:

Q: An electric lamp whose resistance, when in use, is 2 Q is connected to the terminals of a dry cell…

A: Write the variable with the given values.

Q: ε = 23 V battery with an internal resistance of r= 0.6 Ω is used to charge a C= 0.7 µF capacitor…

A: In a series RC circuit when connected to a DC voltage source, the current decreases from its initial…

Q: Chapter 27, Problem 039 GO In the figure two batteries of emf E = 11.0 V and internal resistance r =…

A:

Q: Three resistors having resistance values of 5 ohms, 10 ohms, and 15 ohms are connected in parallel…

A:

Q: RB RA A resistor network is connected to an ideal battery. Rp All resistors are 10.0 ohms The…

A: Given Resistance of each resistance = 10 ohm V=100 volt