Answer: 
Explanation:
Given
Power consumption of bulb and water are
and 
If the Devices are on for four hours
Total power of devices 
Energy consumed for 4 hours is

For 30 days it is 
Cost for 30 days 
Answer:
5 hours
Explanation:
so if they traveled an average speed of 65 km/h then that means they traveled 130 km (2*65). Then the remaining distance to travel will be 364-130, or 234 km. If you travel at 78 km /h, then it will take you 234/78, or 3 more hours to reach Fragrance Hill. Add 2 and 3 to get a total of 5 hours
Weow that’s cool but what is your question
Answer:
The magnetic field that will allow the electron to go through the region without being deflected is
.
Explanation:
Given that,
Velocity of the electron, 
Electric field, 
We need to find the magnetic field that will allow the electron to go through the region without being deflected. It can be calculated as :

Here, 

So, the magnetic field that will allow the electron to go through the region without being deflected is
.