Also, the offline Electrum USB cold wallet shows no balance, so in terms of a $5 wrench attack, a new watch-only wallet would need to be created using the offline MPK (master public key) and then entering the passphrase.
In this (hypothetical and targeted) $5 wrench attack, the attacker will just use your seed phrase to create a hot wallet, and sweep your funds.
Is there a way an Electrum watch-only wallet can have a fake wallet to show a fake amount if under duress? I know hardware wallets can do this.
Create a new watch-only wallet, and import
1PJiGp2yDLvUgqeBsuZVCBADArNsk6XEiw. Or
1E6NkSVsBewyz8Z8wJBYVTKgWmdqcUSWkS, depending on what you're trying to accomplish.