Chemistry, 21.04.2021 21:10 rebecca52360
The headlight of a car uses a light bulb with a maximum power of 60 Watts.
The battery voltage is 12 Volts.
1. Find out how large the resistance R must be for the bulb to light up with 60 Watts.
2. When do you think the pear smokes?
Use the table below and find out when the resistance is no longer adapted to the bulb.
3. Electrical circuits have fuses (specified in Ampere). How large Ampere value should the fuse be?
Pls help ASAP
Answers: 3
Chemistry, 22.06.2019 15:00
Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
Answers: 2
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
Answers: 2
The headlight of a car uses a light bulb with a maximum power of 60 Watts.
The battery voltage is...
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