Power P = V^2/R = 120×120/9000
Or P(min)= 1.6W
Here power rating must be atleast 1.6W . It may be more that it but in question least is asked
6. The power rating of a resistor is the maximum power it can safely dissipate without...
The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. A. If the power rating of a 15kΩ resistor is 5.0 W, what is the maximum allowable potential difference across the terminals of the resistor? B. A 9.0kΩ resistor is to be connected across a 120-V potential difference. What power rating is required? C. A 100.0 Ω and a 150.0 Ω resistor,...
2. The power rating of a resistor is the maximum power it can safely dissipate without being (point) damaged by overheating. A 15 k32 resistor has a power rating of 5.0 W. What is the maximum current it can carry without damage? O0.033 A O0.548 A O 0.183 A O0.041 A 3. Which equation defines the electric power P that a circuit delivers to a resistor? (l point) ab P ab OP- VabR ab (1 point) 4. A resistor has...
The power rating of a 10 Kiloohm resistor is 1/4 W. This is the maximum power the resistor can safely dissipate. What is the maximum allowable voltage across the resistor?
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?
The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference (a) What is the resistance of a 100-W bulb? (b) What is the resistance of a 120-W bulb? (c) How much current does each bulb draw in normal use? 1100-w = 1120-w-
The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. A.What is the resistance of a 100 W bulb? B.How much current does the 100 W bulb draw in normal use? C.What is the resistance of a 60 W bulb? D.How much current does the 60 W bulb draw in normal use?
Three 100 ? resistors are connected as shown in the figure. The maximum power that can safely be delivered to any one resistor is 29.0 W. 100 ? 100 ? 1002 (a) What is the maximum potential difference that can be applied to the terminals a and b? 80.78 (b) For the voltage determined in part (a), what is the power delivered to each resistor? resistor on the left resistor at the top of the 725 28.99 loop resistor at...
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The maximum allowed power dissipation for a 28.7 Ω resistor is stated to be 10.0 W. Calculate the largest current that this resistor can take safely without burning out. largest safe current:
4. Three 100 Sresistors are connected, as shown in Figure 4. The maximum power that can safely be dissipated in any one resistor is 26.5 W. (a) What is the maximum voltage that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power dissipated in each resistor? (c) What is the total power dissipation? 5. A battery has an emf of 15.0 V. The terminal voltage of the battery...