Concept explainers
a.
To identify: Whether the lamp obeys Ohm’s law or not.
a.
Answer to Problem 67A
No, the lamp will not obey Ohm’s law.
Explanation of Solution
Given:
When the lamp is connected to voltage
When it is connected to voltage
Formula used:
Ohm’s law is given as,
Where,
Calculation:
From above relation,
Now,
And
Since,
Conclusion:
As in Ohm’s law
b.
Power dissipated by lamp.
b.
Answer to Problem 67A
Explanation of Solution
Given:
When the lamp is connected to voltage
When it is connected to voltage
Formula used:
The power is given as,
Where,
Calculation:
When lamp is connected to
So, the power dissipated is
Conclusion:
Therefore, the power dissipated in lamp when connected to 6 V battery is
Chapter 22 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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