the heat produced in a circle depends upon resistance current and time if error in measuring these quantities are 1% 2% and 1% respectively the measured heat is

Can someone answer my last question i posted? on my last post? my hw is due tomorrow and i’m confused.

Which law states that that the direction of the induced current is such that the magnetic field resulting from the induced current opposes the change in the field that caused the induced current? a. faraday's law b. lenz's law c. oersted's law d. ampere's law

How many moles if mgcl2 are there in 340g of the compound?