Question

In: Physics

Two resistors, R1 = 20-ohm and R2 = 30-ohm, are connected in parallel to each other,...

Two resistors, R1 = 20-ohm and R2 = 30-ohm, are connected in parallel to each other, and this combination is connected across a 30-V source of emf. The current through the resistor R2 is:

Solutions

Expert Solution

I 204 D C I2 300 B I 30V R = 20 R23301 in parallel combination RELE RIRO Rit Ry 20x30 20+30 600 50 Roq = 120 Ror I= 30 12. I - 2.5 amp in Parallel combination botontial difference always same VAB = VCD R, I, = Rp 12 - 0 Ii +I2 = 12 I= 12-Iz R, (12 - 12) = R2 12 12R, - R, I2 - Ral 12R - I 2 Rit R2 12820 240 I2= 20+30 50 4.8 amb. I 2 = 4.8 amb Answer,


Related Solutions

20.Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in...
20.Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in series with a 30.0 Ω resistor. The combination is placed across a 120V potential difference. Can you design the circuit diagram using above data? According to your observation show that total voltage is equal to the sum of the individual voltage and also show that total power dissipated is equal to the sum of the power dissipated by individual resistor. Also suggest what will...
Two resistors 30 Ω and 50 Ω are connected in parallel and this parallel arrangement is...
Two resistors 30 Ω and 50 Ω are connected in parallel and this parallel arrangement is then connected in series with two resistors 20 Ω each. The combination is placed across a 10V potential difference. Hence construct the diagram of the above circuit. According to your observation evaluate the total current in the circuit and also the total power delivered to the resistors and also show that the total power dissipated is equal to the sum of the power dissipated...
Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in...
Two 60.0 Ω resistors are connected in parallel and this parallel arrangement is then connected in series with a 30.0 Ω resistor. The combination is placed across a 120V potential difference. Can you design the circuit diagram using above data? According to your observation show that total voltage is equal to the sum of the individual voltage and also show that total power dissipated is equal to the sum of the power dissipated by individual resistor. Also suggest what will...
Two 7.1 Ω resistors are connected in parallel, as are two 3.1 Ω resistors. These two...
Two 7.1 Ω resistors are connected in parallel, as are two 3.1 Ω resistors. These two combinations are then connected in series in a circuit with a 19 V battery. What is the current in each resistor? What is the voltage across each resistor?
The values of resistors R1 and R2 is 33.803 Ohms and 40.736 Ohms, respectively. If a...
The values of resistors R1 and R2 is 33.803 Ohms and 40.736 Ohms, respectively. If a current 0.47799 Amps runs through R2, what is the potential difference across R1? Please include the correct SI units in the answer.
A 10-volt voltage source is connected in a series arrangement with two resistors (R1 = 7...
A 10-volt voltage source is connected in a series arrangement with two resistors (R1 = 7 ohms, R2 = 3 ohms). The current flowing in each resistor is: a) 1.8 amperes   b) 45 amperes   c) 0.05 amperes   d) 1 ampere    e) 3.5 amperes What is the voltage across R2 in the above circuit? a) 2 volts   b) 10 volts   c) 3 volts   d)   0.25 volts   e)   5 volts        3. If R1 and R2 are now connected in parallel, what...
A. Consider two concentric spherical structures of radius r1 and r2 such that r1 < r2...
A. Consider two concentric spherical structures of radius r1 and r2 such that r1 < r2 and full load Q and -2Q respectively. Calculate the magnitude of the field on ́ectrico in all three regions, i.e. within the smaller sphere, between the spheres and outside the sphere of the larger radius. Where does the electric field point to for this system? (no matter what material these concentric spherical are made of) B. Two cylindrical coaxial shells with radius r1 and...
Assume you are given two resistors with resistances R1=4.0 kΩ and R2=6.0 kΩ and two capacitors...
Assume you are given two resistors with resistances R1=4.0 kΩ and R2=6.0 kΩ and two capacitors with capacitances C1=4.0 µF and C2=6.0 µF. a)      Calculate the equivalent resistances Req and the equivalent capacitance Ceq if the resistors are connected in series and the capacitors are connected in parallel. b)      Now, use the Req and Ceq that you calculate in part (a) to construct an RC circuit. An emf of 27 V is applied across Req and Ceq to charge the...
Assume you are given two resistors with resistances R1=4.0 kΩ and R2=6.0 kΩ and two capacitors...
Assume you are given two resistors with resistances R1=4.0 kΩ and R2=6.0 kΩ and two capacitors with capacitances C1=4.0 µF and C2=6.0 µF. a) Calculate the equivalent resistances Req and the equivalent capacitance Ceq if the resistors are connected in series and the capacitors are connected in parallel. b) Now, use the Req and Ceq that you calculate in part (a) to construct an RC circuit. If an emf of 27 V is suddenly applied across Req and Ceq, calculate...
consider a set of three 6000 ohm resistors in parallel between a 12v potential and a...
consider a set of three 6000 ohm resistors in parallel between a 12v potential and a ground reference. how many milliamps of current flow through the middle resistor?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT