Way back in the early 1900s, ignition coils were becoming more familiar to people because they were a key piece of every automobile engine. The ignition coil would take the low voltage from the battery and amplify it with the magic of magnetic fields.
There are 72 calories in 1 medium Granny Smith Apple. Get full nutrition facts and other common serving sizes of Granny Smith Apples including 1 ring and 1 slice. Register | Sign In
If you are trying to watch your carbohydrate intake you may want to choose small sized (4oz or the size of a tennis ball) apples to keep your carbohydrates to about 15 grams for about one serving of fruit. And keep in mind that some very large apples can contain as much as 35 or more grams of carbohydrate.