1) Use a charged strip of gold foil placed between charged metal plates. The foil will be attracted to the opposite charge. 2) Use grains of a material such as semolina - the material lines up in the electric field.
There are two basic types of life insurance beneficiaries: Primary beneficiary: The primary beneficiary is the person (or persons) who will receive the proceeds of the life insurance policy when the insured person dies. However, the primary beneficiary will not receive any proceeds if he or she dies before the death of the named insured.
Many professionals in the industry feel that the best or safest approach is to name a primary beneficiary and a contingent beneficiary on a life insurance policy. Revocable and Irrevocable Life Insurance Beneficiaries. There are two classes of beneficiaries known as revocable and irrevocable beneficiaries. 1  Revocable beneficiaries: The owner of the life insurance policy has the right to change the beneficiary designation at any time without the consent of the previously named beneficiary. Irrevocable beneficiaries: The owner of the life insurance policy cannot change the designation of the beneficiary without the consent of the original beneficiary.