The following 1/4 W resistors are in series: 1.2 k ohm, 2.2 k ohm, 3.9 kohm, and 5.6 k-ohm. What is the maximum voltage that can be applied across the series resistors without exceeding a power rating? Which resistor will burn out first if excessive voltage is applied?
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A 80 Ω resistor is rated at 1.00 W maximum power capacity. There is a maximum voltage that can be applied across the resistor without exceeding its maximum power rating. 1) What is this voltage? 2) What is the current at this voltage?
0 40 V The no-load voltage across R2 in the voltage-divider circuit shown is shown is vo.no_load 8 V The smallest load resistor that is ever connected to the divider is RL,smallest 3.6 k Ω (kilo Ohm) When the voltage divider is loaded by RLsmallest, VO is not to drop below 7.5 V A) Assume the power ratings of commercially available resistors are 1/16, 1/8, 1/4, 1, and 2 W What power rating would you specify? PR1,rating Watt PR2.rating =...
You have a 10 ohm resistor connected in series with an ammeter. The voltage applied to the whole circuit is 1.2 volts. At the same time you have a voltmeter connected across the 10 ohm resistor and voltmeter reads 0.9 volts. The circuit draws a total of 0.5 amps. Can you determine resistance of the ammeter?
Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 4.4Ω and 17.1 W, 42.2Ω and 10.7 W, and 21.2Ω and 10.7 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? (b) How much power does the battery deliver to the circuit in (a)? any help please? Interactive Solution 20.47 provides one approach to problems like this one....
Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 5.2Ω and 21.5 W, 43.3Ω and 10.8 W, and 13.1Ω and 12.3 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? (b) How much power does the battery deliver to the circuit in (a)?
Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 4.5Ω and 22.1 W, 26.6Ω and 9.27 W, and 18.1Ω and 10.4 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? (b) How much power does the battery deliver to the circuit in (a)?
Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 1.8 ? and 3.6 W, 11.8 ? and 9.4 W, and 2.7 ? and 4.5 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? V (b) How much power does the battery deliver to the circuit in (a)? W
QUESTION 1 An AC voltage has a peak value of 2 V. What is the RMS value? (3 decimal places) QUESTION 2 A 2 Vp-p voltage is applied to a circuit that has three 1 kohm resistors in series. What is the total current (It) in rms milli amps QUESTION 3 A resistive circuit has three 100 ohm resistors in parallel. A 120 Vrms voltage is applied to the parallel circuit. What is the peak current through one resistor in...
How much energy is dissipated as heat during a two-minute time interval by a 1 .5-k ohm resistor which has a constant 20-V potential difference across its leads? a) 58 J b) 46 J c) 32 J d) 72 J e) 17 J When a voltage VI is placed across a series combination of an unknown resistor R and a 65-ohm resistor, the power delivered to the resistors is Pl. When the 65-ohm resistor is replaced by a 20-ohm resistor...
The power rating (maximum power allowed) of a 400 Ohm resistor is 0.8 W. (a) What is the maximum voltage? (b) What is the maximum current it can draw?